Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

16 files changed, 949 insertions, 0 deletions

diff --git a/browser/base/content/test/referrer/browser.ini b/browser/base/content/test/referrer/browser.ini
new file mode 100644
index 0000000000..12a90659c7
--- /dev/null
+++ b/browser/base/content/test/referrer/browser.ini
@@ -0,0 +1,35 @@
+[DEFAULT]
+support-files =
+  file_referrer_policyserver.sjs
+  file_referrer_policyserver_attr.sjs
+  file_referrer_testserver.sjs
+  head.js
+
+[browser_referrer_middle_click.js]
+https_first_disabled = true
+[browser_referrer_middle_click_in_container.js]
+https_first_disabled = true
+[browser_referrer_open_link_in_private.js]
+skip-if = os == 'linux' # Bug 1145199
+[browser_referrer_open_link_in_tab.js]
+https_first_disabled = true
+skip-if =
+  os == 'linux' # Bug 1144816
+[browser_referrer_open_link_in_window.js]
+https_first_disabled = true
+skip-if = os == 'linux' # Bug 1145199
+[browser_referrer_open_link_in_window_in_container.js]
+https_first_disabled = true
+skip-if = os == 'linux' # Bug 1145199
+[browser_referrer_simple_click.js]
+https_first_disabled = true
+[browser_referrer_click_pinned_tab.js]
+https_first_disabled = true
+[browser_referrer_open_link_in_container_tab.js]
+skip-if = os == 'linux' # Bug 1144816
+[browser_referrer_open_link_in_container_tab2.js]
+https_first_disabled = true
+skip-if =
+  os == 'linux' # Bug 1144816
+[browser_referrer_open_link_in_container_tab3.js]
+skip-if = os == 'linux' # Bug 1144816
diff --git a/browser/base/content/test/referrer/browser_referrer_click_pinned_tab.js b/browser/base/content/test/referrer/browser_referrer_click_pinned_tab.js
new file mode 100644
index 0000000000..876f79bf02
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_click_pinned_tab.js
@@ -0,0 +1,75 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// We will open a new tab if clicking on a cross domain link in pinned tab
+// So, override the tests data in head.js, adding "cross: true".
+
+_referrerTests = [
+  {
+    fromScheme: "http://",
+    toScheme: "http://",
+    cross: true,
+    result: "http://test1.example.com/", // origin
+  },
+  {
+    fromScheme: "https://",
+    toScheme: "http://",
+    cross: true,
+    result: "", // no referrer when downgrade
+  },
+  {
+    fromScheme: "https://",
+    toScheme: "http://",
+    policy: "origin",
+    cross: true,
+    result: "https://test1.example.com/", // origin, even on downgrade
+  },
+  {
+    fromScheme: "https://",
+    toScheme: "http://",
+    policy: "origin",
+    rel: "noreferrer",
+    cross: true,
+    result: "", // rel=noreferrer trumps meta-referrer
+  },
+  {
+    fromScheme: "https://",
+    toScheme: "https://",
+    policy: "no-referrer",
+    cross: true,
+    result: "", // same origin https://test1.example.com/browser
+  },
+  {
+    fromScheme: "http://",
+    toScheme: "https://",
+    policy: "no-referrer",
+    cross: true,
+    result: "", // cross origin http://test1.example.com
+  },
+];
+
+async function startClickPinnedTabTestCase(aTestNumber) {
+  info(
+    "browser_referrer_click_pinned_tab: " +
+      getReferrerTestDescription(aTestNumber)
+  );
+  let browser = gTestWindow.gBrowser;
+
+  browser.pinTab(browser.selectedTab);
+  someTabLoaded(gTestWindow).then(function(aNewTab) {
+    checkReferrerAndStartNextTest(
+      aTestNumber,
+      null,
+      aNewTab,
+      startClickPinnedTabTestCase
+    );
+  });
+
+  clickTheLink(gTestWindow, "testlink", {});
+}
+
+function test() {
+  requestLongerTimeout(10); // slowwww shutdown on e10s
+  startReferrerTest(startClickPinnedTabTestCase);
+}
diff --git a/browser/base/content/test/referrer/browser_referrer_middle_click.js b/browser/base/content/test/referrer/browser_referrer_middle_click.js
new file mode 100644
index 0000000000..f4d3cbc7ca
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_middle_click.js
@@ -0,0 +1,25 @@
+// Tests referrer on middle-click navigation.
+// Middle-clicks on the link, which opens it in a new tab.
+
+function startMiddleClickTestCase(aTestNumber) {
+  info(
+    "browser_referrer_middle_click: " + getReferrerTestDescription(aTestNumber)
+  );
+  someTabLoaded(gTestWindow).then(function(aNewTab) {
+    BrowserTestUtils.switchTab(gTestWindow.gBrowser, aNewTab).then(() => {
+      checkReferrerAndStartNextTest(
+        aTestNumber,
+        null,
+        aNewTab,
+        startMiddleClickTestCase
+      );
+    });
+  });
+
+  clickTheLink(gTestWindow, "testlink", { button: 1 });
+}
+
+function test() {
+  requestLongerTimeout(10); // slowwww shutdown on e10s
+  startReferrerTest(startMiddleClickTestCase);
+}
diff --git a/browser/base/content/test/referrer/browser_referrer_middle_click_in_container.js b/browser/base/content/test/referrer/browser_referrer_middle_click_in_container.js
new file mode 100644
index 0000000000..69a9f6a393
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_middle_click_in_container.js
@@ -0,0 +1,33 @@
+// Tests referrer on middle-click navigation.
+// Middle-clicks on the link, which opens it in a new tab, same container.
+
+function startMiddleClickTestCase(aTestNumber) {
+  info(
+    "browser_referrer_middle_click: " + getReferrerTestDescription(aTestNumber)
+  );
+  someTabLoaded(gTestWindow).then(function(aNewTab) {
+    BrowserTestUtils.switchTab(gTestWindow.gBrowser, aNewTab).then(() => {
+      checkReferrerAndStartNextTest(
+        aTestNumber,
+        null,
+        aNewTab,
+        startMiddleClickTestCase,
+        { userContextId: 3 }
+      );
+    });
+  });
+
+  clickTheLink(gTestWindow, "testlink", { button: 1 });
+}
+
+function test() {
+  waitForExplicitFinish();
+
+  SpecialPowers.pushPrefEnv(
+    { set: [["privacy.userContext.enabled", true]] },
+    function() {
+      requestLongerTimeout(10); // slowwww shutdown on e10s
+      startReferrerTest(startMiddleClickTestCase, { userContextId: 3 });
+    }
+  );
+}
diff --git a/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab.js b/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab.js
new file mode 100644
index 0000000000..fcea8fb501
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab.js
@@ -0,0 +1,80 @@
+// Tests referrer on context menu navigation - open link in new container tab.
+// Selects "open link in new container tab" from the context menu.
+
+function getReferrerTest(aTestNumber) {
+  let testCase = _referrerTests[aTestNumber];
+  if (testCase) {
+    // We want all the referrer tests to fail!
+    testCase.result = "";
+  }
+
+  return testCase;
+}
+
+function startNewTabTestCase(aTestNumber) {
+  info(
+    "browser_referrer_open_link_in_container_tab: " +
+      getReferrerTestDescription(aTestNumber)
+  );
+  contextMenuOpened(gTestWindow, "testlink").then(function(aContextMenu) {
+    someTabLoaded(gTestWindow).then(function(aNewTab) {
+      gTestWindow.gBrowser.selectedTab = aNewTab;
+
+      checkReferrerAndStartNextTest(
+        aTestNumber,
+        null,
+        aNewTab,
+        startNewTabTestCase
+      );
+    });
+
+    let menu = gTestWindow.document.getElementById(
+      "context-openlinkinusercontext-menu"
+    );
+
+    let menupopup = menu.menupopup;
+    menu.addEventListener(
+      "popupshown",
+      function() {
+        is(menupopup.nodeType, Node.ELEMENT_NODE, "We have a menupopup.");
+        ok(menupopup.firstElementChild, "We have a first container entry.");
+
+        let firstContext = menupopup.firstElementChild;
+        is(
+          firstContext.nodeType,
+          Node.ELEMENT_NODE,
+          "We have a first container entry."
+        );
+        ok(
+          firstContext.hasAttribute("data-usercontextid"),
+          "We have a usercontextid value."
+        );
+
+        aContextMenu.addEventListener(
+          "popuphidden",
+          function() {
+            firstContext.doCommand();
+          },
+          { once: true }
+        );
+
+        aContextMenu.hidePopup();
+      },
+      { once: true }
+    );
+
+    menu.openMenu(true);
+  });
+}
+
+function test() {
+  waitForExplicitFinish();
+
+  SpecialPowers.pushPrefEnv(
+    { set: [["privacy.userContext.enabled", true]] },
+    function() {
+      requestLongerTimeout(10); // slowwww shutdown on e10s
+      startReferrerTest(startNewTabTestCase);
+    }
+  );
+}
diff --git a/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab2.js b/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab2.js
new file mode 100644
index 0000000000..853e532739
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab2.js
@@ -0,0 +1,43 @@
+// Tests referrer on context menu navigation - open link in new container tab.
+// Selects "open link in new container tab" from the context menu.
+
+// The test runs from a container ID 1.
+// Output: we have the correct referrer policy applied.
+
+function startNewTabTestCase(aTestNumber) {
+  info(
+    "browser_referrer_open_link_in_container_tab: " +
+      getReferrerTestDescription(aTestNumber)
+  );
+  contextMenuOpened(gTestWindow, "testlink").then(function(aContextMenu) {
+    someTabLoaded(gTestWindow).then(function(aNewTab) {
+      gTestWindow.gBrowser.selectedTab = aNewTab;
+
+      checkReferrerAndStartNextTest(
+        aTestNumber,
+        null,
+        aNewTab,
+        startNewTabTestCase,
+        { userContextId: 1 }
+      );
+    });
+
+    doContextMenuCommand(
+      gTestWindow,
+      aContextMenu,
+      "context-openlinkincontainertab"
+    );
+  });
+}
+
+function test() {
+  waitForExplicitFinish();
+
+  SpecialPowers.pushPrefEnv(
+    { set: [["privacy.userContext.enabled", true]] },
+    function() {
+      requestLongerTimeout(10); // slowwww shutdown on e10s
+      startReferrerTest(startNewTabTestCase, { userContextId: 1 });
+    }
+  );
+}
diff --git a/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab3.js b/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab3.js
new file mode 100644
index 0000000000..d200b0edf9
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab3.js
@@ -0,0 +1,81 @@
+// Tests referrer on context menu navigation - open link in new container tab.
+// Selects "open link in new container tab" from the context menu.
+
+// The test runs from a container ID 2.
+// Output: we have no referrer.
+
+getReferrerTest = getRemovedReferrerTest;
+
+function startNewTabTestCase(aTestNumber) {
+  info(
+    "browser_referrer_open_link_in_container_tab: " +
+      getReferrerTestDescription(aTestNumber)
+  );
+  contextMenuOpened(gTestWindow, "testlink").then(function(aContextMenu) {
+    someTabLoaded(gTestWindow).then(function(aNewTab) {
+      gTestWindow.gBrowser.selectedTab = aNewTab;
+
+      checkReferrerAndStartNextTest(
+        aTestNumber,
+        null,
+        aNewTab,
+        startNewTabTestCase,
+        { userContextId: 2 }
+      );
+    });
+
+    let menu = gTestWindow.document.getElementById(
+      "context-openlinkinusercontext-menu"
+    );
+
+    let menupopup = menu.menupopup;
+    menu.addEventListener(
+      "popupshown",
+      function() {
+        is(menupopup.nodeType, Node.ELEMENT_NODE, "We have a menupopup.");
+        ok(menupopup.firstElementChild, "We have a first container entry.");
+
+        let firstContext = menupopup.firstElementChild;
+        is(
+          firstContext.nodeType,
+          Node.ELEMENT_NODE,
+          "We have a first container entry."
+        );
+        ok(
+          firstContext.hasAttribute("data-usercontextid"),
+          "We have a usercontextid value."
+        );
+        is(
+          "0",
+          firstContext.getAttribute("data-usercontextid"),
+          "We have the right usercontextid value."
+        );
+
+        aContextMenu.addEventListener(
+          "popuphidden",
+          function() {
+            firstContext.doCommand();
+          },
+          { once: true }
+        );
+
+        aContextMenu.hidePopup();
+      },
+      { once: true }
+    );
+
+    menu.openMenu(true);
+  });
+}
+
+function test() {
+  waitForExplicitFinish();
+
+  SpecialPowers.pushPrefEnv(
+    { set: [["privacy.userContext.enabled", true]] },
+    function() {
+      requestLongerTimeout(10); // slowwww shutdown on e10s
+      startReferrerTest(startNewTabTestCase, { userContextId: 2 });
+    }
+  );
+}
diff --git a/browser/base/content/test/referrer/browser_referrer_open_link_in_private.js b/browser/base/content/test/referrer/browser_referrer_open_link_in_private.js
new file mode 100644
index 0000000000..347263a7af
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_private.js
@@ -0,0 +1,33 @@
+// Tests referrer on context menu navigation - open link in new private window.
+// Selects "open link in new private window" from the context menu.
+
+// The test runs from a regular browsing window.
+// Output: we have no referrer.
+
+getReferrerTest = getRemovedReferrerTest;
+
+function startNewPrivateWindowTestCase(aTestNumber) {
+  info(
+    "browser_referrer_open_link_in_private: " +
+      getReferrerTestDescription(aTestNumber)
+  );
+  contextMenuOpened(gTestWindow, "testlink").then(function(aContextMenu) {
+    newWindowOpened().then(function(aNewWindow) {
+      BrowserTestUtils.firstBrowserLoaded(aNewWindow, false).then(function() {
+        checkReferrerAndStartNextTest(
+          aTestNumber,
+          aNewWindow,
+          null,
+          startNewPrivateWindowTestCase
+        );
+      });
+    });
+
+    doContextMenuCommand(gTestWindow, aContextMenu, "context-openlinkprivate");
+  });
+}
+
+function test() {
+  requestLongerTimeout(10); // slowwww shutdown on e10s
+  startReferrerTest(startNewPrivateWindowTestCase);
+}
diff --git a/browser/base/content/test/referrer/browser_referrer_open_link_in_tab.js b/browser/base/content/test/referrer/browser_referrer_open_link_in_tab.js
new file mode 100644
index 0000000000..da3215c5dd
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_tab.js
@@ -0,0 +1,27 @@
+// Tests referrer on context menu navigation - open link in new tab.
+// Selects "open link in new tab" from the context menu.
+
+function startNewTabTestCase(aTestNumber) {
+  info(
+    "browser_referrer_open_link_in_tab: " +
+      getReferrerTestDescription(aTestNumber)
+  );
+  contextMenuOpened(gTestWindow, "testlink").then(function(aContextMenu) {
+    someTabLoaded(gTestWindow).then(function(aNewTab) {
+      gTestWindow.gBrowser.selectedTab = aNewTab;
+      checkReferrerAndStartNextTest(
+        aTestNumber,
+        null,
+        aNewTab,
+        startNewTabTestCase
+      );
+    });
+
+    doContextMenuCommand(gTestWindow, aContextMenu, "context-openlinkintab");
+  });
+}
+
+function test() {
+  requestLongerTimeout(10); // slowwww shutdown on e10s
+  startReferrerTest(startNewTabTestCase);
+}
diff --git a/browser/base/content/test/referrer/browser_referrer_open_link_in_window.js b/browser/base/content/test/referrer/browser_referrer_open_link_in_window.js
new file mode 100644
index 0000000000..9bdd50d809
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_window.js
@@ -0,0 +1,28 @@
+// Tests referrer on context menu navigation - open link in new window.
+// Selects "open link in new window" from the context menu.
+
+function startNewWindowTestCase(aTestNumber) {
+  info(
+    "browser_referrer_open_link_in_window: " +
+      getReferrerTestDescription(aTestNumber)
+  );
+  contextMenuOpened(gTestWindow, "testlink").then(function(aContextMenu) {
+    newWindowOpened().then(function(aNewWindow) {
+      BrowserTestUtils.firstBrowserLoaded(aNewWindow, false).then(function() {
+        checkReferrerAndStartNextTest(
+          aTestNumber,
+          aNewWindow,
+          null,
+          startNewWindowTestCase
+        );
+      });
+    });
+
+    doContextMenuCommand(gTestWindow, aContextMenu, "context-openlink");
+  });
+}
+
+function test() {
+  requestLongerTimeout(10); // slowwww shutdown on e10s
+  startReferrerTest(startNewWindowTestCase);
+}
diff --git a/browser/base/content/test/referrer/browser_referrer_open_link_in_window_in_container.js b/browser/base/content/test/referrer/browser_referrer_open_link_in_window_in_container.js
new file mode 100644
index 0000000000..3852ad9983
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_window_in_container.js
@@ -0,0 +1,39 @@
+// Tests referrer on context menu navigation - open link in new window.
+// Selects "open link in new window" from the context menu.
+
+// This test runs from a container tab. The new tab/window will be loaded in
+// the same container.
+
+function startNewWindowTestCase(aTestNumber) {
+  info(
+    "browser_referrer_open_link_in_window: " +
+      getReferrerTestDescription(aTestNumber)
+  );
+  contextMenuOpened(gTestWindow, "testlink").then(function(aContextMenu) {
+    newWindowOpened().then(function(aNewWindow) {
+      BrowserTestUtils.firstBrowserLoaded(aNewWindow, false).then(function() {
+        checkReferrerAndStartNextTest(
+          aTestNumber,
+          aNewWindow,
+          null,
+          startNewWindowTestCase,
+          { userContextId: 1 }
+        );
+      });
+    });
+
+    doContextMenuCommand(gTestWindow, aContextMenu, "context-openlink");
+  });
+}
+
+function test() {
+  waitForExplicitFinish();
+
+  SpecialPowers.pushPrefEnv(
+    { set: [["privacy.userContext.enabled", true]] },
+    function() {
+      requestLongerTimeout(10); // slowwww shutdown on e10s
+      startReferrerTest(startNewWindowTestCase, { userContextId: 1 });
+    }
+  );
+}
diff --git a/browser/base/content/test/referrer/browser_referrer_simple_click.js b/browser/base/content/test/referrer/browser_referrer_simple_click.js
new file mode 100644
index 0000000000..b35f3bb160
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_simple_click.js
@@ -0,0 +1,27 @@
+// Tests referrer on simple click navigation.
+// Clicks on the link, which opens it in the same tab.
+
+function startSimpleClickTestCase(aTestNumber) {
+  info(
+    "browser_referrer_simple_click: " + getReferrerTestDescription(aTestNumber)
+  );
+  BrowserTestUtils.browserLoaded(
+    gTestWindow.gBrowser.selectedBrowser,
+    false,
+    url => url.endsWith("file_referrer_testserver.sjs")
+  ).then(function() {
+    checkReferrerAndStartNextTest(
+      aTestNumber,
+      null,
+      null,
+      startSimpleClickTestCase
+    );
+  });
+
+  clickTheLink(gTestWindow, "testlink", {});
+}
+
+function test() {
+  requestLongerTimeout(10); // slowwww shutdown on e10s
+  startReferrerTest(startSimpleClickTestCase);
+}
diff --git a/browser/base/content/test/referrer/file_referrer_policyserver.sjs b/browser/base/content/test/referrer/file_referrer_policyserver.sjs
new file mode 100644
index 0000000000..6695d417f4
--- /dev/null
+++ b/browser/base/content/test/referrer/file_referrer_policyserver.sjs
@@ -0,0 +1,41 @@
+/**
+ * Renders a link with the provided referrer policy.
+ * Used in browser_referrer_*.js, bug 1113431.
+ * Arguments: ?scheme=http://&policy=origin&rel=noreferrer
+ */
+function handleRequest(request, response) {
+  Cu.importGlobalProperties(["URLSearchParams"]);
+  let query = new URLSearchParams(request.queryString);
+
+  let scheme = query.get("scheme");
+  let policy = query.get("policy");
+  let rel = query.get("rel");
+  let cross = query.get("cross");
+
+  let host = cross ? "example.com" : "test1.example.com";
+  let linkUrl =
+    scheme +
+    host +
+    "/browser/browser/base/content/test/referrer/" +
+    "file_referrer_testserver.sjs";
+  let metaReferrerTag = policy
+    ? `<meta name='referrer' content='${policy}'>`
+    : "";
+
+  let html = `<!DOCTYPE HTML>
+              <html>
+              <head>
+              <meta charset='utf-8'>
+              ${metaReferrerTag}
+              <title>Test referrer</title>
+              </head>
+              <body>
+              <a id='testlink' href='${linkUrl}' ${rel ? ` rel='${rel}'` : ""}>
+              referrer test link</a>
+              </body>
+              </html>`;
+
+  response.setHeader("Cache-Control", "no-cache", false);
+  response.setHeader("Content-Type", "text/html", false);
+  response.write(html);
+}
diff --git a/browser/base/content/test/referrer/file_referrer_policyserver_attr.sjs b/browser/base/content/test/referrer/file_referrer_policyserver_attr.sjs
new file mode 100644
index 0000000000..b0104f292e
--- /dev/null
+++ b/browser/base/content/test/referrer/file_referrer_policyserver_attr.sjs
@@ -0,0 +1,41 @@
+/**
+ * Renders a link with the provided referrer policy.
+ * Used in browser_referrer_*.js, bug 1113431.
+ * Arguments: ?scheme=http://&policy=origin&rel=noreferrer
+ */
+function handleRequest(request, response) {
+  Cu.importGlobalProperties(["URLSearchParams"]);
+  let query = new URLSearchParams(request.queryString);
+
+  let scheme = query.get("scheme");
+  let policy = query.get("policy");
+  let rel = query.get("rel");
+  let cross = query.get("cross");
+
+  let host = cross ? "example.com" : "test1.example.com";
+  let linkUrl =
+    scheme +
+    host +
+    "/browser/browser/base/content/test/referrer/" +
+    "file_referrer_testserver.sjs";
+
+  let referrerPolicy = policy ? `referrerpolicy="${policy}"` : "";
+
+  let html = `<!DOCTYPE HTML>
+              <html>
+              <head>
+              <meta charset='utf-8'>
+              <title>Test referrer</title>
+              </head>
+              <body>
+              <a id='testlink' href='${linkUrl}' ${referrerPolicy} ${
+    rel ? ` rel='${rel}'` : ""
+  }>
+              referrer test link</a>
+              </body>
+              </html>`;
+
+  response.setHeader("Cache-Control", "no-cache", false);
+  response.setHeader("Content-Type", "text/html", false);
+  response.write(html);
+}
diff --git a/browser/base/content/test/referrer/file_referrer_testserver.sjs b/browser/base/content/test/referrer/file_referrer_testserver.sjs
new file mode 100644
index 0000000000..b98f628053
--- /dev/null
+++ b/browser/base/content/test/referrer/file_referrer_testserver.sjs
@@ -0,0 +1,33 @@
+/**
+ * Renders the HTTP Referer header up to the second path slash.
+ * Used in browser_referrer_*.js, bug 1113431.
+ */
+function handleRequest(request, response) {
+  let referrer = "";
+  try {
+    referrer = request.getHeader("referer");
+  } catch (e) {
+    referrer = "";
+  }
+
+  // Strip it past the first path slash. Makes tests easier to read.
+  referrer = referrer
+    .split("/")
+    .slice(0, 4)
+    .join("/");
+
+  let html = `<!DOCTYPE HTML>
+             <html>
+             <head>
+             <meta charset='utf-8'>
+             <title>Test referrer</title>
+             </head>
+             <body>
+             <div id='testdiv'>${referrer}</div>
+             </body>
+             </html>`;
+
+  response.setHeader("Cache-Control", "no-cache", false);
+  response.setHeader("Content-Type", "text/html", false);
+  response.write(html);
+}
diff --git a/browser/base/content/test/referrer/head.js b/browser/base/content/test/referrer/head.js
new file mode 100644
index 0000000000..f0360eaaaf
--- /dev/null
+++ b/browser/base/content/test/referrer/head.js
@@ -0,0 +1,308 @@
+var { XPCOMUtils } = ChromeUtils.importESModule(
+  "resource://gre/modules/XPCOMUtils.sys.mjs"
+);
+
+const REFERRER_URL_BASE = "/browser/browser/base/content/test/referrer/";
+const REFERRER_POLICYSERVER_URL =
+  "test1.example.com" + REFERRER_URL_BASE + "file_referrer_policyserver.sjs";
+const REFERRER_POLICYSERVER_URL_ATTRIBUTE =
+  "test1.example.com" +
+  REFERRER_URL_BASE +
+  "file_referrer_policyserver_attr.sjs";
+
+var gTestWindow = null;
+var rounds = 0;
+
+// We test that the UI code propagates three pieces of state - the referrer URI
+// itself, the referrer policy, and the triggering principal. After that, we
+// trust nsIWebNavigation to do the right thing with the info it's given, which
+// is covered more exhaustively by dom/base/test/test_bug704320.html (which is
+// a faster content-only test). So, here, we limit ourselves to cases that
+// would break when the UI code drops either of these pieces; we don't try to
+// duplicate the entire cross-product test in bug 704320 - that would be slow,
+// especially when we're opening a new window for each case.
+var _referrerTests = [
+  // 1. Normal cases - no referrer policy, no special attributes.
+  //    We expect a full referrer normally, and no referrer on downgrade.
+  {
+    fromScheme: "http://",
+    toScheme: "http://",
+    result: "http://test1.example.com/browser", // full referrer
+  },
+  {
+    fromScheme: "https://",
+    toScheme: "http://",
+    result: "", // no referrer when downgrade
+  },
+  // 2. Origin referrer policy - we expect an origin referrer,
+  //    even on downgrade.  But rel=noreferrer trumps this.
+  {
+    fromScheme: "https://",
+    toScheme: "http://",
+    policy: "origin",
+    result: "https://test1.example.com/", // origin, even on downgrade
+  },
+  {
+    fromScheme: "https://",
+    toScheme: "http://",
+    policy: "origin",
+    rel: "noreferrer",
+    result: "", // rel=noreferrer trumps meta-referrer
+  },
+  // 3. XXX: using no-referrer here until we support all attribute values (bug 1178337)
+  //    Origin-when-cross-origin policy - this depends on the triggering
+  //    principal.  We expect full referrer for same-origin requests,
+  //    and origin referrer for cross-origin requests.
+  {
+    fromScheme: "https://",
+    toScheme: "https://",
+    policy: "no-referrer",
+    result: "", // same origin https://test1.example.com/browser
+  },
+  {
+    fromScheme: "http://",
+    toScheme: "https://",
+    policy: "no-referrer",
+    result: "", // cross origin http://test1.example.com
+  },
+];
+
+/**
+ * Returns the test object for a given test number.
+ * @param aTestNumber The test number - 0, 1, 2, ...
+ * @return The test object, or undefined if the number is out of range.
+ */
+function getReferrerTest(aTestNumber) {
+  return _referrerTests[aTestNumber];
+}
+
+/**
+ * Returns shimmed test object for a given test number.
+ *
+ * @param aTestNumber The test number - 0, 1, 2, ...
+ * @return The test object with result hard-coded to "",
+ *          or undefined if the number is out of range.
+ */
+function getRemovedReferrerTest(aTestNumber) {
+  let testCase = _referrerTests[aTestNumber];
+  if (testCase) {
+    // We want all the referrer tests to fail!
+    testCase.result = "";
+  }
+
+  return testCase;
+}
+
+/**
+ * Returns a brief summary of the test, for logging.
+ * @param aTestNumber The test number - 0, 1, 2...
+ * @return The test description.
+ */
+function getReferrerTestDescription(aTestNumber) {
+  let test = getReferrerTest(aTestNumber);
+  return (
+    "policy=[" +
+    test.policy +
+    "] " +
+    "rel=[" +
+    test.rel +
+    "] " +
+    test.fromScheme +
+    " -> " +
+    test.toScheme
+  );
+}
+
+/**
+ * Clicks the link.
+ * @param aWindow The window to click the link in.
+ * @param aLinkId The id of the link element.
+ * @param aOptions The options for synthesizeMouseAtCenter.
+ */
+function clickTheLink(aWindow, aLinkId, aOptions) {
+  return BrowserTestUtils.synthesizeMouseAtCenter(
+    "#" + aLinkId,
+    aOptions,
+    aWindow.gBrowser.selectedBrowser
+  );
+}
+
+/**
+ * Extracts the referrer result from the target window.
+ * @param aWindow The window where the referrer target has loaded.
+ * @return {Promise}
+ * @resolves When extacted, with the text of the (trimmed) referrer.
+ */
+function referrerResultExtracted(aWindow) {
+  return SpecialPowers.spawn(aWindow.gBrowser.selectedBrowser, [], function() {
+    return content.document.getElementById("testdiv").textContent;
+  });
+}
+
+/**
+ * Waits for browser delayed startup to finish.
+ * @param aWindow The window to wait for.
+ * @return {Promise}
+ * @resolves When the window is loaded.
+ */
+function delayedStartupFinished(aWindow) {
+  return new Promise(function(resolve) {
+    Services.obs.addObserver(function observer(aSubject, aTopic) {
+      if (aWindow == aSubject) {
+        Services.obs.removeObserver(observer, aTopic);
+        resolve();
+      }
+    }, "browser-delayed-startup-finished");
+  });
+}
+
+/**
+ * Waits for some (any) tab to load. The caller triggers the load.
+ * @param aWindow The window where to wait for a tab to load.
+ * @return {Promise}
+ * @resolves With the tab once it's loaded.
+ */
+function someTabLoaded(aWindow) {
+  return BrowserTestUtils.waitForNewTab(gTestWindow.gBrowser, null, true);
+}
+
+/**
+ * Waits for a new window to open and load. The caller triggers the open.
+ * @return {Promise}
+ * @resolves With the new window once it's open and loaded.
+ */
+function newWindowOpened() {
+  return TestUtils.topicObserved("browser-delayed-startup-finished").then(
+    ([win]) => win
+  );
+}
+
+/**
+ * Opens the context menu.
+ * @param aWindow The window to open the context menu in.
+ * @param aLinkId The id of the link to open the context menu on.
+ * @return {Promise}
+ * @resolves With the menu popup when the context menu is open.
+ */
+function contextMenuOpened(aWindow, aLinkId) {
+  let popupShownPromise = BrowserTestUtils.waitForEvent(
+    aWindow.document,
+    "popupshown"
+  );
+  // Simulate right-click.
+  clickTheLink(aWindow, aLinkId, { type: "contextmenu", button: 2 });
+  return popupShownPromise.then(e => e.target);
+}
+
+/**
+ * Performs a context menu command.
+ * @param aWindow The window with the already open context menu.
+ * @param aMenu The menu popup to hide.
+ * @param aItemId The id of the menu item to activate.
+ */
+function doContextMenuCommand(aWindow, aMenu, aItemId) {
+  let command = aWindow.document.getElementById(aItemId);
+  command.doCommand();
+  aMenu.hidePopup();
+}
+
+/**
+ * Loads a single test case, i.e., a source url into gTestWindow.
+ * @param aTestNumber The test case number - 0, 1, 2...
+ * @return {Promise}
+ * @resolves When the source url for this test case is loaded.
+ */
+function referrerTestCaseLoaded(aTestNumber, aParams) {
+  let test = getReferrerTest(aTestNumber);
+  let server =
+    rounds == 0
+      ? REFERRER_POLICYSERVER_URL
+      : REFERRER_POLICYSERVER_URL_ATTRIBUTE;
+  let url =
+    test.fromScheme +
+    server +
+    "?scheme=" +
+    escape(test.toScheme) +
+    "&policy=" +
+    escape(test.policy || "") +
+    "&rel=" +
+    escape(test.rel || "") +
+    "&cross=" +
+    escape(test.cross || "");
+  let browser = gTestWindow.gBrowser;
+  return BrowserTestUtils.openNewForegroundTab(
+    browser,
+    () => {
+      browser.selectedTab = BrowserTestUtils.addTab(browser, url, aParams);
+    },
+    false,
+    true
+  );
+}
+
+/**
+ * Checks the result of the referrer test, and moves on to the next test.
+ * @param aTestNumber The test number - 0, 1, 2, ...
+ * @param aNewWindow The new window where the referrer target opened, or null.
+ * @param aNewTab The new tab where the referrer target opened, or null.
+ * @param aStartTestCase The callback to start the next test, aTestNumber + 1.
+ */
+function checkReferrerAndStartNextTest(
+  aTestNumber,
+  aNewWindow,
+  aNewTab,
+  aStartTestCase,
+  aParams = {}
+) {
+  referrerResultExtracted(aNewWindow || gTestWindow).then(function(result) {
+    // Compare the actual result against the expected one.
+    let test = getReferrerTest(aTestNumber);
+    let desc = getReferrerTestDescription(aTestNumber);
+    is(result, test.result, desc);
+
+    // Clean up - close new tab / window, and then the source tab.
+    aNewTab && (aNewWindow || gTestWindow).gBrowser.removeTab(aNewTab);
+    aNewWindow && aNewWindow.close();
+    is(gTestWindow.gBrowser.tabs.length, 2, "two tabs open");
+    gTestWindow.gBrowser.removeTab(gTestWindow.gBrowser.tabs[1]);
+
+    // Move on to the next test.  Or finish if we're done.
+    var nextTestNumber = aTestNumber + 1;
+    if (getReferrerTest(nextTestNumber)) {
+      referrerTestCaseLoaded(nextTestNumber, aParams).then(function() {
+        aStartTestCase(nextTestNumber);
+      });
+    } else if (rounds == 0) {
+      nextTestNumber = 0;
+      rounds = 1;
+      referrerTestCaseLoaded(nextTestNumber, aParams).then(function() {
+        aStartTestCase(nextTestNumber);
+      });
+    } else {
+      finish();
+    }
+  });
+}
+
+/**
+ * Fires up the complete referrer test.
+ * @param aStartTestCase The callback to start a single test case, called with
+ * the test number - 0, 1, 2... Needs to trigger the navigation from the source
+ * page, and call checkReferrerAndStartNextTest() when the target is loaded.
+ */
+function startReferrerTest(aStartTestCase, params = {}) {
+  waitForExplicitFinish();
+
+  // Open the window where we'll load the source URLs.
+  gTestWindow = openDialog(location, "", "chrome,all,dialog=no", "about:blank");
+  registerCleanupFunction(function() {
+    gTestWindow && gTestWindow.close();
+  });
+
+  // Load and start the first test.
+  delayedStartupFinished(gTestWindow).then(function() {
+    referrerTestCaseLoaded(0, params).then(function() {
+      aStartTestCase(0);
+    });
+  });
+}