From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 11:22:09 +0200
Subject: Adding upstream version 110.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../unset/fetch.https.html                         | 112 +++++++++++++++++++++
 .../unset/iframe-tag.https.html                    | 112 +++++++++++++++++++++
 .../unset/img-tag.https.html                       | 112 +++++++++++++++++++++
 .../unset/sharedworker-classic.https.html          |  67 ++++++++++++
 .../unset/sharedworker-import-data.https.html      | 112 +++++++++++++++++++++
 .../unset/sharedworker-import.https.html           | 112 +++++++++++++++++++++
 .../unset/sharedworker-module.https.html           |  67 ++++++++++++
 .../unset/websocket.https.html                     |  52 ++++++++++
 .../unset/worker-classic.https.html                |  67 ++++++++++++
 .../unset/worker-import-data.https.html            | 112 +++++++++++++++++++++
 .../unset/worker-import.https.html                 | 112 +++++++++++++++++++++
 .../unset/worker-module.https.html                 |  67 ++++++++++++
 .../unset/worklet-animation-import-data.https.html | 112 +++++++++++++++++++++
 .../unset/worklet-animation.https.html             | 112 +++++++++++++++++++++
 .../unset/worklet-audio-import-data.https.html     | 112 +++++++++++++++++++++
 .../unset/worklet-audio.https.html                 | 112 +++++++++++++++++++++
 .../unset/worklet-layout-import-data.https.html    | 112 +++++++++++++++++++++
 .../unset/worklet-layout.https.html                | 112 +++++++++++++++++++++
 .../unset/worklet-paint-import-data.https.html     | 112 +++++++++++++++++++++
 .../unset/worklet-paint.https.html                 | 112 +++++++++++++++++++++
 .../iframe-blank-inherit.meta/unset/xhr.https.html | 112 +++++++++++++++++++++
 21 files changed, 2112 insertions(+)
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/fetch.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/iframe-tag.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/img-tag.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-classic.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-import-data.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-import.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-module.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/websocket.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-classic.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-import-data.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-import.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-module.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-animation-import-data.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-animation.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-audio-import-data.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-audio.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-layout-import-data.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-layout.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-paint-import-data.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-paint.https.html
 create mode 100644 testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/xhr.https.html

(limited to 'testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset')

diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/fetch.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/fetch.https.html
new file mode 100644
index 0000000000..b601fbbf3d
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/fetch.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for fetch to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for fetch to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for fetch to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for fetch to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for fetch to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "fetch",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for fetch to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/iframe-tag.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/iframe-tag.https.html
new file mode 100644
index 0000000000..fbc73e5872
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/iframe-tag.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "iframe-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for iframe-tag to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "iframe-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for iframe-tag to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "iframe-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for iframe-tag to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "iframe-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for iframe-tag to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "iframe-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for iframe-tag to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "iframe-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for iframe-tag to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/img-tag.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/img-tag.https.html
new file mode 100644
index 0000000000..b7b4ba03ee
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/img-tag.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for img-tag to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for img-tag to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for img-tag to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for img-tag to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for img-tag to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "img-tag",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for img-tag to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-classic.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-classic.https.html
new file mode 100644
index 0000000000..3d9fc6eeb9
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-classic.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-classic to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-classic to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-classic to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-import-data.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-import-data.https.html
new file mode 100644
index 0000000000..0f345eb901
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-import-data.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import-data to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import-data to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import-data to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import-data to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import-data to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import-data to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-import.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-import.https.html
new file mode 100644
index 0000000000..70ccb7af79
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-import.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-import to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-module.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-module.https.html
new file mode 100644
index 0000000000..c58a8b741c
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/sharedworker-module.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-module to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-module to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "sharedworker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for sharedworker-module to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/websocket.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/websocket.https.html
new file mode 100644
index 0000000000..a053ac832c
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/websocket.https.html
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-ws-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for websocket to cross-ws-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-ws-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "websocket",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for websocket to same-ws-downgrade 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/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-classic.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-classic.https.html
new file mode 100644
index 0000000000..abc67d7502
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-classic.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-classic to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-classic to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-classic",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-classic to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-import-data.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-import-data.https.html
new file mode 100644
index 0000000000..f61176cda2
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-import-data.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import-data to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import-data to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import-data to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import-data to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import-data to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import-data to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-import.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-import.https.html
new file mode 100644
index 0000000000..d9f3a8cd23
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-import.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-import",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-import to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-module.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-module.https.html
new file mode 100644
index 0000000000..e82a6917d9
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worker-module.https.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-module to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-module to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worker-module",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worker-module to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-animation-import-data.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-animation-import-data.https.html
new file mode 100644
index 0000000000..7b54ed289e
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-animation-import-data.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation-import-data to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation-import-data to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation-import-data to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation-import-data to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation-import-data to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation-import-data to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-animation.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-animation.https.html
new file mode 100644
index 0000000000..1d7e1fe598
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-animation.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-animation",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-animation to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-audio-import-data.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-audio-import-data.https.html
new file mode 100644
index 0000000000..81a4e8a2f8
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-audio-import-data.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio-import-data to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio-import-data to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio-import-data to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio-import-data to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio-import-data to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio-import-data to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-audio.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-audio.https.html
new file mode 100644
index 0000000000..0aed1e59ac
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-audio.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-audio",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-audio to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-layout-import-data.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-layout-import-data.https.html
new file mode 100644
index 0000000000..c143066c78
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-layout-import-data.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout-import-data to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout-import-data to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout-import-data to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout-import-data to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout-import-data to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout-import-data to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-layout.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-layout.https.html
new file mode 100644
index 0000000000..3095104f85
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-layout.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-layout",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-layout to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-paint-import-data.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-paint-import-data.https.html
new file mode 100644
index 0000000000..c7d7f35d13
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-paint-import-data.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint-import-data to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint-import-data to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint-import-data to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint-import-data to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint-import-data to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint-import-data",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint-import-data to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-paint.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-paint.https.html
new file mode 100644
index 0000000000..43892ec284
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/worklet-paint.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "worklet-paint",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for worklet-paint to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/xhr.https.html b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/xhr.https.html
new file mode 100644
index 0000000000..dd17493029
--- /dev/null
+++ b/testing/web-platform/tests/upgrade-insecure-requests/gen/iframe-blank-inherit.meta/unset/xhr.https.html
@@ -0,0 +1,112 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec upgrade-insecure-requests/` -->
+<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": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for xhr to cross-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for xhr to cross-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "cross-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for xhr to cross-https origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for xhr to same-http-downgrade origin and downgrade redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-http-downgrade",
+            "redirection": "no-redirect",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for xhr to same-http-downgrade origin and no-redirect redirection from https context."
+          },
+          {
+            "expectation": "blocked",
+            "origin": "same-https",
+            "redirection": "downgrade",
+            "source_context_list": [
+              {
+                "policyDeliveries": [],
+                "sourceContextType": "iframe-blank"
+              }
+            ],
+            "source_scheme": "https",
+            "subresource": "xhr",
+            "subresource_policy_deliveries": [],
+            "test_description": "Upgrade-Insecure-Requests: Expects blocked for xhr to same-https origin and downgrade redirection from https context."
+          }
+        ],
+        new SanityChecker()
+      ).start();
+    </script>
+    <div id="log"></div>
+  </body>
+</html>
-- 
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