Add m-esr52 at 52.6.0

16 files changed, 717 insertions, 0 deletions

diff --git a/browser/base/content/test/referrer/.eslintrc.js b/browser/base/content/test/referrer/.eslintrc.js
new file mode 100644
index 000000000..7c8021192
--- /dev/null
+++ b/browser/base/content/test/referrer/.eslintrc.js
@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = {
+  "extends": [
+    "../../../../../testing/mochitest/browser.eslintrc.js"
+  ]
+};
diff --git a/browser/base/content/test/referrer/browser.ini b/browser/base/content/test/referrer/browser.ini
new file mode 100644
index 000000000..13b712850
--- /dev/null
+++ b/browser/base/content/test/referrer/browser.ini
@@ -0,0 +1,24 @@
+[DEFAULT]
+support-files =
+  file_referrer_policyserver.sjs
+  file_referrer_policyserver_attr.sjs
+  file_referrer_testserver.sjs
+  head.js
+
+[browser_referrer_middle_click.js]
+[browser_referrer_middle_click_in_container.js]
+[browser_referrer_open_link_in_private.js]
+skip-if = os == 'linux' # Bug 1145199
+[browser_referrer_open_link_in_tab.js]
+skip-if = os == 'linux' # Bug 1144816
+[browser_referrer_open_link_in_window.js]
+skip-if = os == 'linux' # Bug 1145199
+[browser_referrer_open_link_in_window_in_container.js]
+skip-if = os == 'linux' # Bug 1145199
+[browser_referrer_simple_click.js]
+[browser_referrer_open_link_in_container_tab.js]
+skip-if = os == 'linux' # Bug 1144816
+[browser_referrer_open_link_in_container_tab2.js]
+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_middle_click.js b/browser/base/content/test/referrer/browser_referrer_middle_click.js
new file mode 100644
index 000000000..e6e01c6a3
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_middle_click.js
@@ -0,0 +1,20 @@
+// 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 000000000..e89b891f3
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_middle_click_in_container.js
@@ -0,0 +1,27 @@
+// 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 000000000..deaf90fb9
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab.js
@@ -0,0 +1,59 @@
+// 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 test = _referrerTests[aTestNumber];
+  if (test) {
+    // We want all the referrer tests to fail!
+    test.result = "";
+  }
+
+  return test;
+}
+
+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 onPopupShown() {
+      menu.removeEventListener("popupshown", onPopupShown);
+
+      is(menupopup.nodeType, Node.ELEMENT_NODE, "We have a menupopup.");
+      ok(menupopup.firstChild, "We have a first container entry.");
+
+      let firstContext = menupopup.firstChild;
+      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 onPopupHidden() {
+        aContextMenu.removeEventListener("popuphidden", onPopupHidden);
+        firstContext.doCommand();
+      });
+
+      aContextMenu.hidePopup();
+    });
+
+    menupopup.showPopup();
+  });
+}
+
+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 000000000..77a5645c6
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab2.js
@@ -0,0 +1,31 @@
+// 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 000000000..c0a73d828
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_container_tab3.js
@@ -0,0 +1,63 @@
+// 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.
+
+function getReferrerTest(aTestNumber) {
+  let test = _referrerTests[aTestNumber];
+  if (test) {
+    // We want all the referrer tests to fail!
+    test.result = "";
+  }
+
+  return test;
+}
+
+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 onPopupShown() {
+      menu.removeEventListener("popupshown", onPopupShown);
+
+      is(menupopup.nodeType, Node.ELEMENT_NODE, "We have a menupopup.");
+      ok(menupopup.firstChild, "We have a first container entry.");
+
+      let firstContext = menupopup.firstChild;
+      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 onPopupHidden() {
+        aContextMenu.removeEventListener("popuphidden", onPopupHidden);
+        firstContext.doCommand();
+      });
+
+      aContextMenu.hidePopup();
+    });
+
+    menupopup.showPopup();
+  });
+}
+
+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 000000000..8f12e3824
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_private.js
@@ -0,0 +1,22 @@
+// Tests referrer on context menu navigation - open link in new private window.
+// Selects "open link in new private window" from the context menu.
+
+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 000000000..03119cb57
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_tab.js
@@ -0,0 +1,21 @@
+// 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 000000000..81e7b2648
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_window.js
@@ -0,0 +1,22 @@
+// 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 000000000..d5ce87952
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_open_link_in_window_in_container.js
@@ -0,0 +1,32 @@
+// 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 000000000..7f3784e64
--- /dev/null
+++ b/browser/base/content/test/referrer/browser_referrer_simple_click.js
@@ -0,0 +1,20 @@
+// 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 000000000..e07965675
--- /dev/null
+++ b/browser/base/content/test/referrer/file_referrer_policyserver.sjs
@@ -0,0 +1,37 @@
+/**
+ * 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)
+{
+  Components.utils.importGlobalProperties(["URLSearchParams"]);
+  let query = new URLSearchParams(request.queryString);
+
+  let scheme = query.get("scheme");
+  let policy = query.get("policy");
+  let rel = query.get("rel");
+
+  let linkUrl = scheme +
+                "test1.example.com/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 000000000..25a58188a
--- /dev/null
+++ b/browser/base/content/test/referrer/file_referrer_policyserver_attr.sjs
@@ -0,0 +1,36 @@
+/**
+ * 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)
+{
+  Components.utils.importGlobalProperties(["URLSearchParams"]);
+  let query = new URLSearchParams(request.queryString);
+
+  let scheme = query.get("scheme");
+  let policy = query.get("policy");
+  let rel = query.get("rel");
+
+  let linkUrl = scheme +
+                "test1.example.com/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 000000000..0cfc53b2c
--- /dev/null
+++ b/browser/base/content/test/referrer/file_referrer_testserver.sjs
@@ -0,0 +1,31 @@
+/**
+ * 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 000000000..1a5d5b051
--- /dev/null
+++ b/browser/base/content/test/referrer/head.js
@@ -0,0 +1,265 @@
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "Promise",
+  "resource://gre/modules/Promise.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "BrowserTestUtils",
+  "resource://testing-common/BrowserTestUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "ContentTask",
+  "resource://testing-common/ContentTask.jsm");
+
+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";
+
+SpecialPowers.pushPrefEnv({"set": [['network.http.enablePerElementReferrer', true]]});
+
+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 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 ContentTask.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", false);
+  });
+}
+
+/**
+ * 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).then((tab) => {
+    return BrowserTestUtils.browserStopped(tab.linkedBrowser).then(() => tab);
+  });
+}
+
+/**
+ * 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 || "");
+  let browser = gTestWindow.gBrowser;
+  return BrowserTestUtils.openNewForegroundTab(browser, () => {
+    browser.selectedTab = browser.addTab(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);
+    });
+  });
+}