From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 03:47:29 +0200
Subject: Adding upstream version 115.8.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../opt-in/fetch.https.html                        | 172 +++++++++++++++
 .../opt-in/fetch.https.html.headers                |   1 +
 .../opt-in/websocket.https.html                    |  67 ++++++
 .../opt-in/websocket.https.html.headers            |   1 +
 .../opt-in/xhr.https.html                          | 172 +++++++++++++++
 .../opt-in/xhr.https.html.headers                  |   1 +
 .../opt-in/fetch.https.html                        |  68 ++++++
 .../opt-in/websocket.https.html                    |  68 ++++++
 .../opt-in/xhr.https.html                          |  68 ++++++
 .../unset/fetch.https.html                         | 142 +++++++++++++
 .../unset/websocket.https.html                     |  67 ++++++
 .../unset/xhr.https.html                           | 142 +++++++++++++
 .../opt-in/fetch.https.html                        | 232 +++++++++++++++++++++
 .../opt-in/websocket.https.html                    |  85 ++++++++
 .../opt-in/xhr.https.html                          | 232 +++++++++++++++++++++
 .../unset/fetch.https.html                         | 142 +++++++++++++
 .../unset/fetch.https.html.headers                 |   1 +
 .../unset/websocket.https.html                     |  67 ++++++
 .../unset/websocket.https.html.headers             |   1 +
 .../unset/xhr.https.html                           | 142 +++++++++++++
 .../unset/xhr.https.html.headers                   |   1 +
 .../opt-in/fetch.https.html                        | 172 +++++++++++++++
 .../opt-in/fetch.https.html.headers                |   1 +
 .../opt-in/websocket.https.html                    |  67 ++++++
 .../opt-in/websocket.https.html.headers            |   1 +
 .../opt-in/xhr.https.html                          | 172 +++++++++++++++
 .../opt-in/xhr.https.html.headers                  |   1 +
 .../opt-in/fetch.https.html                        |  68 ++++++
 .../opt-in/websocket.https.html                    |  68 ++++++
 .../opt-in/xhr.https.html                          |  68 ++++++
 .../unset/fetch.https.html                         | 142 +++++++++++++
 .../unset/websocket.https.html                     |  67 ++++++
 .../unset/xhr.https.html                           | 142 +++++++++++++
 .../opt-in/fetch.https.html                        | 232 +++++++++++++++++++++
 .../opt-in/websocket.https.html                    |  85 ++++++++
 .../opt-in/xhr.https.html                          | 232 +++++++++++++++++++++
 .../unset/fetch.https.html                         | 142 +++++++++++++
 .../unset/fetch.https.html.headers                 |   1 +
 .../unset/websocket.https.html                     |  67 ++++++
 .../unset/websocket.https.html.headers             |   1 +
 .../unset/xhr.https.html                           | 142 +++++++++++++
 .../unset/xhr.https.html.headers                   |   1 +
 .../gen/top.http-rp/opt-in/audio-tag.https.html    | 122 +++++++++++
 .../opt-in/audio-tag.https.html.headers            |   1 +
 .../gen/top.http-rp/opt-in/beacon.https.html       | 122 +++++++++++
 .../top.http-rp/opt-in/beacon.https.html.headers   |   1 +
 .../gen/top.http-rp/opt-in/fetch.https.html        | 122 +++++++++++
 .../top.http-rp/opt-in/fetch.https.html.headers    |   1 +
 .../gen/top.http-rp/opt-in/img-tag.https.html      | 122 +++++++++++
 .../top.http-rp/opt-in/img-tag.https.html.headers  |   1 +
 .../gen/top.http-rp/opt-in/link-css-tag.https.html | 122 +++++++++++
 .../opt-in/link-css-tag.https.html.headers         |   1 +
 .../opt-in/link-prefetch-tag.https.html            | 122 +++++++++++
 .../opt-in/link-prefetch-tag.https.html.headers    |   1 +
 .../gen/top.http-rp/opt-in/object-tag.https.html   | 122 +++++++++++
 .../opt-in/object-tag.https.html.headers           |   1 +
 .../gen/top.http-rp/opt-in/picture-tag.https.html  | 122 +++++++++++
 .../opt-in/picture-tag.https.html.headers          |   1 +
 .../opt-in/script-tag-dynamic-import.https.html    |  42 ++++
 .../script-tag-dynamic-import.https.html.headers   |   1 +
 .../gen/top.http-rp/opt-in/script-tag.https.html   | 122 +++++++++++
 .../opt-in/script-tag.https.html.headers           |   1 +
 .../opt-in/sharedworker-classic.https.html         |  62 ++++++
 .../opt-in/sharedworker-classic.https.html.headers |   1 +
 .../opt-in/sharedworker-import-data.https.html     | 122 +++++++++++
 .../sharedworker-import-data.https.html.headers    |   1 +
 .../opt-in/sharedworker-import.https.html          | 122 +++++++++++
 .../opt-in/sharedworker-import.https.html.headers  |   1 +
 .../opt-in/sharedworker-module.https.html          |  62 ++++++
 .../opt-in/sharedworker-module.https.html.headers  |   1 +
 .../gen/top.http-rp/opt-in/video-tag.https.html    | 122 +++++++++++
 .../opt-in/video-tag.https.html.headers            |   1 +
 .../gen/top.http-rp/opt-in/websocket.https.html    |  52 +++++
 .../opt-in/websocket.https.html.headers            |   1 +
 .../top.http-rp/opt-in/worker-classic.https.html   |  62 ++++++
 .../opt-in/worker-classic.https.html.headers       |   1 +
 .../opt-in/worker-import-data.https.html           | 122 +++++++++++
 .../opt-in/worker-import-data.https.html.headers   |   1 +
 .../top.http-rp/opt-in/worker-import.https.html    | 122 +++++++++++
 .../opt-in/worker-import.https.html.headers        |   1 +
 .../top.http-rp/opt-in/worker-module.https.html    |  62 ++++++
 .../opt-in/worker-module.https.html.headers        |   1 +
 .../worklet-animation-import-data.https.html       | 122 +++++++++++
 ...orklet-animation-import-data.https.html.headers |   1 +
 .../opt-in/worklet-animation.https.html            | 122 +++++++++++
 .../opt-in/worklet-animation.https.html.headers    |   1 +
 .../opt-in/worklet-audio-import-data.https.html    | 122 +++++++++++
 .../worklet-audio-import-data.https.html.headers   |   1 +
 .../top.http-rp/opt-in/worklet-audio.https.html    | 122 +++++++++++
 .../opt-in/worklet-audio.https.html.headers        |   1 +
 .../opt-in/worklet-layout-import-data.https.html   | 122 +++++++++++
 .../worklet-layout-import-data.https.html.headers  |   1 +
 .../top.http-rp/opt-in/worklet-layout.https.html   | 122 +++++++++++
 .../opt-in/worklet-layout.https.html.headers       |   1 +
 .../opt-in/worklet-paint-import-data.https.html    | 122 +++++++++++
 .../worklet-paint-import-data.https.html.headers   |   1 +
 .../top.http-rp/opt-in/worklet-paint.https.html    | 122 +++++++++++
 .../opt-in/worklet-paint.https.html.headers        |   1 +
 .../gen/top.http-rp/opt-in/xhr.https.html          | 122 +++++++++++
 .../gen/top.http-rp/opt-in/xhr.https.html.headers  |   1 +
 .../gen/top.meta/opt-in/audio-tag.https.html       |  53 +++++
 .../gen/top.meta/opt-in/beacon.https.html          |  53 +++++
 .../gen/top.meta/opt-in/fetch.https.html           |  53 +++++
 .../gen/top.meta/opt-in/img-tag.https.html         |  53 +++++
 .../gen/top.meta/opt-in/link-css-tag.https.html    |  53 +++++
 .../top.meta/opt-in/link-prefetch-tag.https.html   |  53 +++++
 .../gen/top.meta/opt-in/object-tag.https.html      |  53 +++++
 .../gen/top.meta/opt-in/picture-tag.https.html     |  53 +++++
 .../opt-in/script-tag-dynamic-import.https.html    |  33 +++
 .../gen/top.meta/opt-in/script-tag.https.html      |  53 +++++
 .../opt-in/sharedworker-classic.https.html         |  43 ++++
 .../opt-in/sharedworker-import-data.https.html     |  53 +++++
 .../top.meta/opt-in/sharedworker-import.https.html |  53 +++++
 .../top.meta/opt-in/sharedworker-module.https.html |  43 ++++
 .../gen/top.meta/opt-in/video-tag.https.html       |  53 +++++
 .../gen/top.meta/opt-in/websocket.https.html       |  53 +++++
 .../gen/top.meta/opt-in/worker-classic.https.html  |  43 ++++
 .../top.meta/opt-in/worker-import-data.https.html  |  53 +++++
 .../gen/top.meta/opt-in/worker-import.https.html   |  53 +++++
 .../gen/top.meta/opt-in/worker-module.https.html   |  43 ++++
 .../worklet-animation-import-data.https.html       |  53 +++++
 .../top.meta/opt-in/worklet-animation.https.html   |  53 +++++
 .../opt-in/worklet-audio-import-data.https.html    |  53 +++++
 .../gen/top.meta/opt-in/worklet-audio.https.html   |  53 +++++
 .../opt-in/worklet-layout-import-data.https.html   |  53 +++++
 .../gen/top.meta/opt-in/worklet-layout.https.html  |  53 +++++
 .../opt-in/worklet-paint-import-data.https.html    |  53 +++++
 .../gen/top.meta/opt-in/worklet-paint.https.html   |  53 +++++
 .../gen/top.meta/opt-in/xhr.https.html             |  53 +++++
 .../gen/top.meta/unset/audio-tag.https.html        | 102 +++++++++
 .../gen/top.meta/unset/beacon.https.html           | 102 +++++++++
 .../gen/top.meta/unset/fetch.https.html            | 102 +++++++++
 .../gen/top.meta/unset/img-tag.https.html          | 102 +++++++++
 .../gen/top.meta/unset/link-css-tag.https.html     | 102 +++++++++
 .../top.meta/unset/link-prefetch-tag.https.html    | 102 +++++++++
 .../gen/top.meta/unset/object-tag.https.html       | 102 +++++++++
 .../gen/top.meta/unset/picture-tag.https.html      | 102 +++++++++
 .../unset/script-tag-dynamic-import.https.html     |  42 ++++
 .../gen/top.meta/unset/script-tag.https.html       | 102 +++++++++
 .../top.meta/unset/sharedworker-classic.https.html |  62 ++++++
 .../unset/sharedworker-import-data.https.html      | 102 +++++++++
 .../top.meta/unset/sharedworker-import.https.html  | 102 +++++++++
 .../top.meta/unset/sharedworker-module.https.html  |  62 ++++++
 .../gen/top.meta/unset/video-tag.https.html        | 102 +++++++++
 .../gen/top.meta/unset/websocket.https.html        |  52 +++++
 .../gen/top.meta/unset/worker-classic.https.html   |  62 ++++++
 .../top.meta/unset/worker-import-data.https.html   | 102 +++++++++
 .../gen/top.meta/unset/worker-import.https.html    | 102 +++++++++
 .../gen/top.meta/unset/worker-module.https.html    |  62 ++++++
 .../unset/worklet-animation-import-data.https.html | 102 +++++++++
 .../top.meta/unset/worklet-animation.https.html    | 102 +++++++++
 .../unset/worklet-audio-import-data.https.html     | 102 +++++++++
 .../gen/top.meta/unset/worklet-audio.https.html    | 102 +++++++++
 .../unset/worklet-layout-import-data.https.html    | 102 +++++++++
 .../gen/top.meta/unset/worklet-layout.https.html   | 102 +++++++++
 .../unset/worklet-paint-import-data.https.html     | 102 +++++++++
 .../gen/top.meta/unset/worklet-paint.https.html    | 102 +++++++++
 .../gen/top.meta/unset/xhr.https.html              | 102 +++++++++
 .../opt-in/fetch.https.html                        | 172 +++++++++++++++
 .../opt-in/fetch.https.html.headers                |   1 +
 .../opt-in/websocket.https.html                    |  67 ++++++
 .../opt-in/websocket.https.html.headers            |   1 +
 .../opt-in/xhr.https.html                          | 172 +++++++++++++++
 .../opt-in/xhr.https.html.headers                  |   1 +
 .../opt-in/fetch.https.html                        |  68 ++++++
 .../opt-in/websocket.https.html                    |  68 ++++++
 .../worker-classic-data.meta/opt-in/xhr.https.html |  68 ++++++
 .../unset/fetch.https.html                         | 142 +++++++++++++
 .../unset/websocket.https.html                     |  67 ++++++
 .../worker-classic-data.meta/unset/xhr.https.html  | 142 +++++++++++++
 .../worker-classic.http-rp/opt-in/fetch.https.html | 232 +++++++++++++++++++++
 .../opt-in/websocket.https.html                    |  85 ++++++++
 .../opt-in/worker-classic.https.html               | 106 ++++++++++
 .../opt-in/worker-module.https.html                | 106 ++++++++++
 .../worker-classic.http-rp/opt-in/xhr.https.html   | 232 +++++++++++++++++++++
 .../worker-classic.http-rp/unset/fetch.https.html  | 142 +++++++++++++
 .../unset/fetch.https.html.headers                 |   1 +
 .../unset/websocket.https.html                     |  67 ++++++
 .../unset/websocket.https.html.headers             |   1 +
 .../unset/worker-classic.https.html                |  82 ++++++++
 .../unset/worker-classic.https.html.headers        |   1 +
 .../unset/worker-module.https.html                 |  82 ++++++++
 .../unset/worker-module.https.html.headers         |   1 +
 .../worker-classic.http-rp/unset/xhr.https.html    | 142 +++++++++++++
 .../unset/xhr.https.html.headers                   |   1 +
 .../opt-in/fetch.https.html                        | 172 +++++++++++++++
 .../opt-in/fetch.https.html.headers                |   1 +
 .../opt-in/websocket.https.html                    |  67 ++++++
 .../opt-in/websocket.https.html.headers            |   1 +
 .../opt-in/xhr.https.html                          | 172 +++++++++++++++
 .../opt-in/xhr.https.html.headers                  |   1 +
 .../opt-in/fetch.https.html                        |  68 ++++++
 .../opt-in/websocket.https.html                    |  68 ++++++
 .../worker-module-data.meta/opt-in/xhr.https.html  |  68 ++++++
 .../worker-module-data.meta/unset/fetch.https.html | 142 +++++++++++++
 .../unset/websocket.https.html                     |  67 ++++++
 .../worker-module-data.meta/unset/xhr.https.html   | 142 +++++++++++++
 .../worker-module.http-rp/opt-in/fetch.https.html  | 232 +++++++++++++++++++++
 .../opt-in/websocket.https.html                    |  85 ++++++++
 .../opt-in/worker-classic.https.html               | 106 ++++++++++
 .../opt-in/worker-module.https.html                | 106 ++++++++++
 .../worker-module.http-rp/opt-in/xhr.https.html    | 232 +++++++++++++++++++++
 .../worker-module.http-rp/unset/fetch.https.html   | 142 +++++++++++++
 .../unset/fetch.https.html.headers                 |   1 +
 .../unset/websocket.https.html                     |  67 ++++++
 .../unset/websocket.https.html.headers             |   1 +
 .../unset/worker-classic.https.html                |  82 ++++++++
 .../unset/worker-classic.https.html.headers        |   1 +
 .../unset/worker-module.https.html                 |  82 ++++++++
 .../unset/worker-module.https.html.headers         |   1 +
 .../gen/worker-module.http-rp/unset/xhr.https.html | 142 +++++++++++++
 .../unset/xhr.https.html.headers                   |   1 +
 212 files changed, 15586 insertions(+)
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/fetch.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/websocket.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/xhr.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/fetch.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/websocket.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/xhr.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/audio-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/audio-tag.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/beacon.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/beacon.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/fetch.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/img-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/img-tag.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-css-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-css-tag.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-prefetch-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-prefetch-tag.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/object-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/object-tag.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/picture-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/picture-tag.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag-dynamic-import.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag-dynamic-import.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-classic.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-classic.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import-data.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-module.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-module.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/video-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/video-tag.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/websocket.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-classic.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-classic.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import-data.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-module.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-module.https.html.headers
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 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation-import-data.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio-import-data.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout-import-data.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint-import-data.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/xhr.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/audio-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/beacon.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/img-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/link-css-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/link-prefetch-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/object-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/picture-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/script-tag-dynamic-import.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/script-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-classic.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-import.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-module.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/video-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-classic.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-import.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-module.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-animation-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-animation.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-audio-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-audio.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-layout-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-layout.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-paint-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-paint.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/audio-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/beacon.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/img-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/link-css-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/link-prefetch-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/object-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/picture-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/script-tag-dynamic-import.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/script-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-classic.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-import.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-module.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/video-tag.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-classic.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-import.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-module.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-animation-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-animation.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-audio-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-audio.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-layout-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-layout.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-paint-import-data.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-paint.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/top.meta/unset/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/fetch.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/websocket.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/xhr.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/worker-classic.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/worker-module.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/fetch.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/websocket.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-classic.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-classic.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-module.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-module.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/xhr.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/fetch.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/websocket.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/xhr.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/worker-classic.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/worker-module.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/fetch.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/fetch.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/websocket.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/websocket.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-classic.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-classic.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-module.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-module.https.html.headers
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/xhr.https.html
 create mode 100644 testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/xhr.https.html.headers

(limited to 'testing/web-platform/tests/mixed-content/gen')

diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/fetch.https.html
new file mode 100644
index 0000000000..040c611834
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/fetch.https.html
@@ -0,0 +1,172 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/fetch.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/fetch.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/fetch.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/websocket.https.html
new file mode 100644
index 0000000000..3103c00962
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/websocket.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/websocket.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/websocket.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/xhr.https.html
new file mode 100644
index 0000000000..d5c5d86fec
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/xhr.https.html
@@ -0,0 +1,172 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/xhr.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/xhr.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.http-rp/opt-in/xhr.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/fetch.https.html
new file mode 100644
index 0000000000..e9953505ea
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/fetch.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/websocket.https.html
new file mode 100644
index 0000000000..cf0d0afaf0
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/websocket.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/xhr.https.html
new file mode 100644
index 0000000000..930816e391
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/opt-in/xhr.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/fetch.https.html
new file mode 100644
index 0000000000..7c3009e4b9
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/fetch.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/websocket.https.html
new file mode 100644
index 0000000000..3103c00962
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/xhr.https.html
new file mode 100644
index 0000000000..d67d3dfbc1
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic-data.meta/unset/xhr.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/fetch.https.html
new file mode 100644
index 0000000000..31550a1378
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/fetch.https.html
@@ -0,0 +1,232 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/websocket.https.html
new file mode 100644
index 0000000000..e259b1dcce
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/websocket.https.html
@@ -0,0 +1,85 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/xhr.https.html
new file mode 100644
index 0000000000..d14a58c118
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/opt-in/xhr.https.html
@@ -0,0 +1,232 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch.https.html
new file mode 100644
index 0000000000..41a7a328d7
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket.https.html
new file mode 100644
index 0000000000..825f9b105c
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr.https.html
new file mode 100644
index 0000000000..f2590c6ecd
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/fetch.https.html
new file mode 100644
index 0000000000..928365fd34
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/fetch.https.html
@@ -0,0 +1,172 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/fetch.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/fetch.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/fetch.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/websocket.https.html
new file mode 100644
index 0000000000..d04a361ee8
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/websocket.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/websocket.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/websocket.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/xhr.https.html
new file mode 100644
index 0000000000..6c5090f2c4
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/xhr.https.html
@@ -0,0 +1,172 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/xhr.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/xhr.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.http-rp/opt-in/xhr.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/fetch.https.html
new file mode 100644
index 0000000000..037f931626
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/fetch.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/websocket.https.html
new file mode 100644
index 0000000000..2fbfc48915
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/websocket.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/xhr.https.html
new file mode 100644
index 0000000000..853bc1270b
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/opt-in/xhr.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/fetch.https.html
new file mode 100644
index 0000000000..14c3103fe5
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/fetch.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/websocket.https.html
new file mode 100644
index 0000000000..d04a361ee8
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/xhr.https.html
new file mode 100644
index 0000000000..68e2a490cc
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module-data.meta/unset/xhr.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/fetch.https.html
new file mode 100644
index 0000000000..2a13933ff9
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/fetch.https.html
@@ -0,0 +1,232 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/websocket.https.html
new file mode 100644
index 0000000000..3486ab3889
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/websocket.https.html
@@ -0,0 +1,85 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/xhr.https.html
new file mode 100644
index 0000000000..bd9395bdbb
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/opt-in/xhr.https.html
@@ -0,0 +1,232 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch.https.html
new file mode 100644
index 0000000000..8f31ab2d19
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket.https.html
new file mode 100644
index 0000000000..5eb627c7cf
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr.https.html
new file mode 100644
index 0000000000..2ebeed08a0
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "sharedworker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr.https.html.headers b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/audio-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/audio-tag.https.html
new file mode 100644
index 0000000000..599f8eb9b5
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/audio-tag.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for audio-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for audio-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for audio-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for audio-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for audio-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for audio-tag to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for audio-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for audio-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for audio-tag to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for audio-tag to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/audio-tag.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/audio-tag.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/audio-tag.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/beacon.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/beacon.https.html
new file mode 100644
index 0000000000..b09f6332dd
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/beacon.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for beacon to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for beacon to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/beacon.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/beacon.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/beacon.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/fetch.https.html
new file mode 100644
index 0000000000..508a9d2bd7
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/fetch.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/fetch.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/fetch.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/fetch.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/img-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/img-tag.https.html
new file mode 100644
index 0000000000..eda0043651
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/img-tag.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for img-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for img-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for img-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for img-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for img-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for img-tag to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for img-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for img-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for img-tag to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for img-tag to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/img-tag.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/img-tag.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/img-tag.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-css-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-css-tag.https.html
new file mode 100644
index 0000000000..237ec0ca78
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-css-tag.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for link-css-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for link-css-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-css-tag.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-css-tag.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-css-tag.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-prefetch-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-prefetch-tag.https.html
new file mode 100644
index 0000000000..0efd1429a7
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-prefetch-tag.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for link-prefetch-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for link-prefetch-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-prefetch-tag.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-prefetch-tag.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/link-prefetch-tag.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/object-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/object-tag.https.html
new file mode 100644
index 0000000000..6bc8f75f65
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/object-tag.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for object-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for object-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/object-tag.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/object-tag.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/object-tag.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/picture-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/picture-tag.https.html
new file mode 100644
index 0000000000..088c6c410a
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/picture-tag.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for picture-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for picture-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/picture-tag.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/picture-tag.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/picture-tag.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag-dynamic-import.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag-dynamic-import.https.html
new file mode 100644
index 0000000000..0ce2794c56
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag-dynamic-import.https.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag-dynamic-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for script-tag-dynamic-import to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag-dynamic-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for script-tag-dynamic-import to same-https origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag-dynamic-import.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag-dynamic-import.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag-dynamic-import.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag.https.html
new file mode 100644
index 0000000000..d806e9c0bc
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for script-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for script-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/script-tag.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-classic.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-classic.https.html
new file mode 100644
index 0000000000..896c0297d5
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-classic.https.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-classic to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-classic to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-classic to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-classic to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-classic.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-classic.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-classic.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import-data.https.html
new file mode 100644
index 0000000000..2784b2bf13
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import-data.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import-data.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import-data.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import-data.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import.https.html
new file mode 100644
index 0000000000..0644d1f03e
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-import to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-import to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-import.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-module.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-module.https.html
new file mode 100644
index 0000000000..1a371ce028
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-module.https.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-module to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-module to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-module to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-module to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-module.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-module.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/sharedworker-module.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/video-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/video-tag.https.html
new file mode 100644
index 0000000000..ff176ab6d1
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/video-tag.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for video-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for video-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for video-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for video-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for video-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for video-tag to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for video-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for video-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for video-tag to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for video-tag to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/video-tag.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/video-tag.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/video-tag.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/websocket.https.html
new file mode 100644
index 0000000000..49b80c448f
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/websocket.https.html
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/websocket.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/websocket.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/websocket.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-classic.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-classic.https.html
new file mode 100644
index 0000000000..2717be37cc
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-classic.https.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-classic.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-classic.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-classic.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import-data.https.html
new file mode 100644
index 0000000000..a44eee0468
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import-data.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import-data.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import-data.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import-data.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import.https.html
new file mode 100644
index 0000000000..5499322818
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-import to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-import to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-import.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-module.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-module.https.html
new file mode 100644
index 0000000000..6cf33d54f5
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-module.https.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-module.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-module.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worker-module.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation-import-data.https.html
new file mode 100644
index 0000000000..165cbf6d14
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation-import-data.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-animation-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-animation-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation-import-data.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation-import-data.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation-import-data.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation.https.html
new file mode 100644
index 0000000000..67926809f2
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-animation to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-animation to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-animation.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio-import-data.https.html
new file mode 100644
index 0000000000..72ebea2ff2
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio-import-data.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-audio-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-audio-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio-import-data.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio-import-data.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio-import-data.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio.https.html
new file mode 100644
index 0000000000..3c31d0d998
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-audio to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-audio to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-audio.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout-import-data.https.html
new file mode 100644
index 0000000000..ae84f3d1ef
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout-import-data.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-layout-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-layout-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout-import-data.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout-import-data.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout-import-data.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout.https.html
new file mode 100644
index 0000000000..8a39e2d9d3
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-layout to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-layout to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-layout.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint-import-data.https.html
new file mode 100644
index 0000000000..918051440e
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint-import-data.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-paint-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-paint-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint-import-data.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint-import-data.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint-import-data.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint.https.html
new file mode 100644
index 0000000000..c270a2b70a
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-paint to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-paint to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/worklet-paint.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/xhr.https.html
new file mode 100644
index 0000000000..22f4aa06b5
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/xhr.https.html
@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/xhr.https.html.headers b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/xhr.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.http-rp/opt-in/xhr.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/audio-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/audio-tag.https.html
new file mode 100644
index 0000000000..9734cef5c5
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/audio-tag.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for audio-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for audio-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for audio-tag to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/beacon.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/beacon.https.html
new file mode 100644
index 0000000000..87442befd3
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/beacon.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for beacon to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/fetch.https.html
new file mode 100644
index 0000000000..45378cae4a
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/fetch.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/img-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/img-tag.https.html
new file mode 100644
index 0000000000..8c2486d9a7
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/img-tag.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for img-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for img-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for img-tag to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/link-css-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/link-css-tag.https.html
new file mode 100644
index 0000000000..2014c10e23
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/link-css-tag.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for link-css-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/link-prefetch-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/link-prefetch-tag.https.html
new file mode 100644
index 0000000000..456139afda
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/link-prefetch-tag.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for link-prefetch-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/object-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/object-tag.https.html
new file mode 100644
index 0000000000..209927d53f
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/object-tag.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for object-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/picture-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/picture-tag.https.html
new file mode 100644
index 0000000000..d28777b8cb
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/picture-tag.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for picture-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/script-tag-dynamic-import.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/script-tag-dynamic-import.https.html
new file mode 100644
index 0000000000..b2794bd20a
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/script-tag-dynamic-import.https.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag-dynamic-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for script-tag-dynamic-import to same-https origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/script-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/script-tag.https.html
new file mode 100644
index 0000000000..55e2dadb06
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/script-tag.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for script-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-classic.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-classic.https.html
new file mode 100644
index 0000000000..02c50e3bcb
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-classic.https.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-classic to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-classic to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-import-data.https.html
new file mode 100644
index 0000000000..d906686d92
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-import-data.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-import.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-import.https.html
new file mode 100644
index 0000000000..3b156c6409
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-import.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-import to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-module.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-module.https.html
new file mode 100644
index 0000000000..2ebb231931
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/sharedworker-module.https.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-module to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-module to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/video-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/video-tag.https.html
new file mode 100644
index 0000000000..6b40dfc2e6
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/video-tag.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for video-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for video-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for video-tag to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/websocket.https.html
new file mode 100644
index 0000000000..b54656dbe7
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/websocket.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-classic.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-classic.https.html
new file mode 100644
index 0000000000..ca7667ceef
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-classic.https.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-import-data.https.html
new file mode 100644
index 0000000000..2ff9aa7cf2
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-import-data.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-import.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-import.https.html
new file mode 100644
index 0000000000..50db49acc8
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-import.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-import to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-module.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-module.https.html
new file mode 100644
index 0000000000..2f1c240cae
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worker-module.https.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-animation-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-animation-import-data.https.html
new file mode 100644
index 0000000000..0ebc71607f
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-animation-import-data.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-animation-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-animation.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-animation.https.html
new file mode 100644
index 0000000000..b3b070b60b
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-animation.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-animation to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-audio-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-audio-import-data.https.html
new file mode 100644
index 0000000000..383e08f0d9
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-audio-import-data.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-audio-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-audio.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-audio.https.html
new file mode 100644
index 0000000000..c4caffa7c5
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-audio.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-audio to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-layout-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-layout-import-data.https.html
new file mode 100644
index 0000000000..b90abff512
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-layout-import-data.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-layout-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-layout.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-layout.https.html
new file mode 100644
index 0000000000..08f5bcc66e
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-layout.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-layout to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-paint-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-paint-import-data.https.html
new file mode 100644
index 0000000000..04176e561d
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-paint-import-data.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-paint-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-paint.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-paint.https.html
new file mode 100644
index 0000000000..8c58fc638f
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/worklet-paint.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-paint to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/xhr.https.html
new file mode 100644
index 0000000000..22cbcd7ed0
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/opt-in/xhr.https.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/audio-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/audio-tag.https.html
new file mode 100644
index 0000000000..75c9b75355
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/audio-tag.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for audio-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for audio-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for audio-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for audio-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for audio-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for audio-tag to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for audio-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "audio-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for audio-tag to same-https origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/beacon.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/beacon.https.html
new file mode 100644
index 0000000000..ae29a64f41
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/beacon.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for beacon to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for beacon to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "beacon",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for beacon to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/fetch.https.html
new file mode 100644
index 0000000000..1250aec2a8
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/fetch.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/img-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/img-tag.https.html
new file mode 100644
index 0000000000..c02bf8b69c
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/img-tag.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for img-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for img-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for img-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for img-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for img-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for img-tag to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for img-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for img-tag to same-https origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/link-css-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/link-css-tag.https.html
new file mode 100644
index 0000000000..559e0223c0
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/link-css-tag.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for link-css-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for link-css-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-css-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-css-tag to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/link-prefetch-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/link-prefetch-tag.https.html
new file mode 100644
index 0000000000..5a0364121e
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/link-prefetch-tag.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for link-prefetch-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for link-prefetch-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "link-prefetch-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for link-prefetch-tag to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/object-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/object-tag.https.html
new file mode 100644
index 0000000000..e22e783950
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/object-tag.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for object-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for object-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "object-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for object-tag to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/picture-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/picture-tag.https.html
new file mode 100644
index 0000000000..432ab7eaa3
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/picture-tag.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for picture-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for picture-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "picture-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for picture-tag to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/script-tag-dynamic-import.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/script-tag-dynamic-import.https.html
new file mode 100644
index 0000000000..0ce2794c56
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/script-tag-dynamic-import.https.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag-dynamic-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for script-tag-dynamic-import to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag-dynamic-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for script-tag-dynamic-import to same-https origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/script-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/script-tag.https.html
new file mode 100644
index 0000000000..3cd5eb3a34
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/script-tag.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for script-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for script-tag to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "script-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for script-tag to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-classic.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-classic.https.html
new file mode 100644
index 0000000000..896c0297d5
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-classic.https.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-classic to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-classic to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-classic to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-classic to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-import-data.https.html
new file mode 100644
index 0000000000..afc248529b
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-import-data.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import-data to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-import.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-import.https.html
new file mode 100644
index 0000000000..71679b658a
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-import.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-import to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-import to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-import to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-module.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-module.https.html
new file mode 100644
index 0000000000..1a371ce028
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/sharedworker-module.https.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-module to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for sharedworker-module to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-module to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for sharedworker-module to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/video-tag.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/video-tag.https.html
new file mode 100644
index 0000000000..56c9a4cf5a
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/video-tag.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for video-tag to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for video-tag to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for video-tag to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for video-tag to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for video-tag to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for video-tag to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for video-tag to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "video-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for video-tag to same-https origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/websocket.https.html
new file mode 100644
index 0000000000..49b80c448f
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/websocket.https.html
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-classic.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-classic.https.html
new file mode 100644
index 0000000000..2717be37cc
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-classic.https.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-import-data.https.html
new file mode 100644
index 0000000000..ae559b90e9
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-import-data.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import-data to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-import.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-import.https.html
new file mode 100644
index 0000000000..208ae14bfa
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-import.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-import to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-import to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-import to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-module.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-module.https.html
new file mode 100644
index 0000000000..6cf33d54f5
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worker-module.https.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-animation-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-animation-import-data.https.html
new file mode 100644
index 0000000000..77fdf272d1
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-animation-import-data.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-animation-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-animation-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation-import-data to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-animation.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-animation.https.html
new file mode 100644
index 0000000000..64d00ddd5b
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-animation.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-animation to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-animation to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-animation to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-audio-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-audio-import-data.https.html
new file mode 100644
index 0000000000..faa0c457fa
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-audio-import-data.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-audio-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-audio-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio-import-data to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-audio.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-audio.https.html
new file mode 100644
index 0000000000..7151f534de
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-audio.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-audio to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-audio to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-audio to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-layout-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-layout-import-data.https.html
new file mode 100644
index 0000000000..da7c9a797e
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-layout-import-data.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-layout-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-layout-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout-import-data to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-layout.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-layout.https.html
new file mode 100644
index 0000000000..f2335d35ae
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-layout.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-layout to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-layout to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-layout to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-paint-import-data.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-paint-import-data.https.html
new file mode 100644
index 0000000000..5c1970599d
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-paint-import-data.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-paint-import-data to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-paint-import-data to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint-import-data to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-paint.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-paint.https.html
new file mode 100644
index 0000000000..77cf29176c
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/worklet-paint.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-paint to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worklet-paint to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worklet-paint to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/top.meta/unset/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/xhr.https.html
new file mode 100644
index 0000000000..0f164b4077
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/top.meta/unset/xhr.https.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/fetch.https.html
new file mode 100644
index 0000000000..d2b13b2734
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/fetch.https.html
@@ -0,0 +1,172 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/fetch.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/fetch.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/fetch.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/websocket.https.html
new file mode 100644
index 0000000000..01263c9ee6
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/websocket.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/websocket.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/websocket.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/xhr.https.html
new file mode 100644
index 0000000000..71ee538072
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/xhr.https.html
@@ -0,0 +1,172 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/xhr.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/xhr.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.http-rp/opt-in/xhr.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/fetch.https.html
new file mode 100644
index 0000000000..e8693e4fef
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/fetch.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/websocket.https.html
new file mode 100644
index 0000000000..af1d836250
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/websocket.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/xhr.https.html
new file mode 100644
index 0000000000..e8a86f79e7
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/opt-in/xhr.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/fetch.https.html
new file mode 100644
index 0000000000..da5a674c54
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/fetch.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/websocket.https.html
new file mode 100644
index 0000000000..01263c9ee6
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/xhr.https.html
new file mode 100644
index 0000000000..431e05aa50
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic-data.meta/unset/xhr.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/fetch.https.html
new file mode 100644
index 0000000000..f24dc7a2ac
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/fetch.https.html
@@ -0,0 +1,232 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/websocket.https.html
new file mode 100644
index 0000000000..4357a44457
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/websocket.https.html
@@ -0,0 +1,85 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/worker-classic.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/worker-classic.https.html
new file mode 100644
index 0000000000..5dde9baae5
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/worker-classic.https.html
@@ -0,0 +1,106 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/worker-module.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/worker-module.https.html
new file mode 100644
index 0000000000..6672e464a3
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/worker-module.https.html
@@ -0,0 +1,106 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/xhr.https.html
new file mode 100644
index 0000000000..ac5f5d5dbf
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/opt-in/xhr.https.html
@@ -0,0 +1,232 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/fetch.https.html
new file mode 100644
index 0000000000..87e7771606
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/fetch.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/fetch.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/fetch.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/fetch.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/websocket.https.html
new file mode 100644
index 0000000000..ebfb71e2f8
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/websocket.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/websocket.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/websocket.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-classic.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-classic.https.html
new file mode 100644
index 0000000000..e5f825d577
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-classic.https.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-classic.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-classic.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-classic.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-module.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-module.https.html
new file mode 100644
index 0000000000..f10998e3f0
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-module.https.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-module.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-module.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/worker-module.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/xhr.https.html
new file mode 100644
index 0000000000..39216ef098
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/xhr.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-classic"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/xhr.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/xhr.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-classic.http-rp/unset/xhr.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/fetch.https.html
new file mode 100644
index 0000000000..90cfde3618
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/fetch.https.html
@@ -0,0 +1,172 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/fetch.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/fetch.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/fetch.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/websocket.https.html
new file mode 100644
index 0000000000..a202f1af21
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/websocket.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/websocket.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/websocket.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/xhr.https.html
new file mode 100644
index 0000000000..1e26f150a6
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/xhr.https.html
@@ -0,0 +1,172 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/xhr.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/xhr.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.http-rp/opt-in/xhr.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/fetch.https.html
new file mode 100644
index 0000000000..8ed388b1e7
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/fetch.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/websocket.https.html
new file mode 100644
index 0000000000..ba6c014439
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/websocket.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/xhr.https.html
new file mode 100644
index 0000000000..808e6b6f5a
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/opt-in/xhr.https.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <meta http-equiv="Content-Security-Policy" content="block-all-mixed-content">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/fetch.https.html
new file mode 100644
index 0000000000..1a04af8678
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/fetch.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/websocket.https.html
new file mode 100644
index 0000000000..a202f1af21
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/xhr.https.html
new file mode 100644
index 0000000000..da80502084
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module-data.meta/unset/xhr.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module-data"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/fetch.https.html
new file mode 100644
index 0000000000..0328c5ec55
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/fetch.https.html
@@ -0,0 +1,232 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/websocket.https.html
new file mode 100644
index 0000000000..0e7c357ae2
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/websocket.https.html
@@ -0,0 +1,85 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/worker-classic.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/worker-classic.https.html
new file mode 100644
index 0000000000..e8eba008f9
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/worker-classic.https.html
@@ -0,0 +1,106 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/worker-module.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/worker-module.https.html
new file mode 100644
index 0000000000..f4348836ad
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/worker-module.https.html
@@ -0,0 +1,106 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/xhr.https.html
new file mode 100644
index 0000000000..9ede710e54
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/opt-in/xhr.https.html
@@ -0,0 +1,232 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-https origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [
+                  {
+                    "deliveryType": "http-rp",
+                    "key": "mixedContent",
+                    "value": "opt-in"
+                  }
+                ],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-https origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/fetch.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/fetch.https.html
new file mode 100644
index 0000000000..f2f3dafcfb
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/fetch.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/fetch.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/fetch.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/fetch.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/websocket.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/websocket.https.html
new file mode 100644
index 0000000000..220c21c411
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/websocket.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-wss",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/websocket.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/websocket.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/websocket.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-classic.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-classic.https.html
new file mode 100644
index 0000000000..9619ce4cd7
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-classic.https.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-classic to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-classic to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-classic.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-classic.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-classic.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-module.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-module.https.html
new file mode 100644
index 0000000000..d6e28445e0
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-module.https.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for worker-module to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for worker-module to same-http origin and no-redirect redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-module.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-module.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/worker-module.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/xhr.https.html b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/xhr.https.html
new file mode 100644
index 0000000000..176f5aecd4
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/xhr.https.html
@@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="timeout" content="long">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        [
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "allowed",
+            "origin": "same-https",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "keep-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http",
+            "redirection": "swap-scheme",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "worker-module"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/xhr.https.html.headers b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/xhr.https.html.headers
new file mode 100644
index 0000000000..46e2255e38
--- /dev/null
+++ b/testing/web-platform/tests/mixed-content/gen/worker-module.http-rp/unset/xhr.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
-- 
cgit v1.2.3