Merging upstream version 126.0.

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

8 files changed, 466 insertions, 40 deletions

diff --git a/browser/components/preferences/tests/browser.toml b/browser/components/preferences/tests/browser.toml
index 9e619ce4be..523110dbc9 100644
--- a/browser/components/preferences/tests/browser.toml
+++ b/browser/components/preferences/tests/browser.toml
@@ -10,6 +10,11 @@ support-files = [
   "addons/set_homepage.xpi",
   "addons/set_newtab.xpi",
 ]
+skip-if = [
+  "os == 'linux' && os_version == '18.04' && asan", # manifest runs too long
+  "os == 'linux' && os_version == '18.04' && tsan", # manifest runs too long
+  "win11_2009 && asan", # manifest runs too long
+]
 
 ["browser_about_settings.js"]
 
@@ -276,7 +281,6 @@ support-files = [
   "subdialog.xhtml",
   "subdialog2.xhtml",
 ]
-fail-if = ["a11y_checks"] # Bug 1854636 clicked label.dialogTitle, vbox#dialogTemplate.dialogOverlay may not be focusable
 
 ["browser_sync_chooseWhatToSync.js"]
 
diff --git a/browser/components/preferences/tests/browser_applications_selection.js b/browser/components/preferences/tests/browser_applications_selection.js
index 683ce76a89..23f0e00af8 100644
--- a/browser/components/preferences/tests/browser_applications_selection.js
+++ b/browser/components/preferences/tests/browser_applications_selection.js
@@ -335,10 +335,12 @@ add_task(async function sortingCheck() {
       "Number of items should not change."
     );
     for (let i = 0; i < siteItems.length - 1; ++i) {
-      let aType = siteItems[i].getAttribute("actionDescription").toLowerCase();
-      let bType = siteItems[i + 1]
-        .getAttribute("actionDescription")
-        .toLowerCase();
+      let aType = (
+        siteItems[i].getAttribute("actionDescription") || ""
+      ).toLowerCase();
+      let bType = (
+        siteItems[i + 1].getAttribute("actionDescription") || ""
+      ).toLowerCase();
       let result = 0;
       if (aType > bType) {
         result = 1;
@@ -375,10 +377,12 @@ add_task(async function sortingCheck() {
       "Number of items should not change."
     );
     for (let i = 0; i < siteItems.length - 1; ++i) {
-      let aType = siteItems[i].getAttribute("typeDescription").toLowerCase();
-      let bType = siteItems[i + 1]
-        .getAttribute("typeDescription")
-        .toLowerCase();
+      let aType = (
+        siteItems[i].getAttribute("typeDescription") || ""
+      ).toLowerCase();
+      let bType = (
+        siteItems[i + 1].getAttribute("typeDescription") || ""
+      ).toLowerCase();
       let result = 0;
       if (aType > bType) {
         result = 1;
diff --git a/browser/components/preferences/tests/browser_contentblocking.js b/browser/components/preferences/tests/browser_contentblocking.js
index 3d33f2ed7d..c178233a72 100644
--- a/browser/components/preferences/tests/browser_contentblocking.js
+++ b/browser/components/preferences/tests/browser_contentblocking.js
@@ -1021,7 +1021,7 @@ add_task(async function testDisableTPCheckBoxDisablesEmailTP() {
   // Verify the checkbox is unchecked after clicking.
   is(
     tpCheckbox.getAttribute("checked"),
-    "",
+    null,
     "Tracking protection checkbox is unchecked"
   );
 
diff --git a/browser/components/preferences/tests/browser_privacy_dnsoverhttps.js b/browser/components/preferences/tests/browser_privacy_dnsoverhttps.js
index 48469cfce4..ebe9c41127 100644
--- a/browser/components/preferences/tests/browser_privacy_dnsoverhttps.js
+++ b/browser/components/preferences/tests/browser_privacy_dnsoverhttps.js
@@ -16,6 +16,10 @@ ChromeUtils.defineESModuleGetters(this, {
   DoHTestUtils: "resource://testing-common/DoHTestUtils.sys.mjs",
 });
 
+const { MockRegistrar } = ChromeUtils.importESModule(
+  "resource://testing-common/MockRegistrar.sys.mjs"
+);
+
 const TRR_MODE_PREF = "network.trr.mode";
 const TRR_URI_PREF = "network.trr.uri";
 const TRR_CUSTOM_URI_PREF = "network.trr.custom_uri";
@@ -106,6 +110,164 @@ function waitForPrefObserver(name) {
   });
 }
 
+// Mock parental controls service in order to enable it
+let parentalControlsService = {
+  parentalControlsEnabled: true,
+  QueryInterface: ChromeUtils.generateQI(["nsIParentalControlsService"]),
+};
+let mockParentalControlsServiceCid = undefined;
+
+async function setMockParentalControlEnabled(aEnabled) {
+  if (mockParentalControlsServiceCid != undefined) {
+    MockRegistrar.unregister(mockParentalControlsServiceCid);
+    mockParentalControlsServiceCid = undefined;
+  }
+  if (aEnabled) {
+    mockParentalControlsServiceCid = MockRegistrar.register(
+      "@mozilla.org/parental-controls-service;1",
+      parentalControlsService
+    );
+  }
+  Services.dns.reloadParentalControlEnabled();
+}
+
+add_task(async function testParentalControls() {
+  async function withConfiguration(configuration, fn) {
+    info("testParentalControls");
+
+    await resetPrefs();
+    Services.prefs.setIntPref(TRR_MODE_PREF, configuration.trr_mode);
+    await setMockParentalControlEnabled(configuration.parentalControlsState);
+
+    await openPreferencesViaOpenPreferencesAPI("privacy", { leaveOpen: true });
+    let doc = gBrowser.selectedBrowser.contentDocument;
+    let statusElement = doc.getElementById("dohStatus");
+
+    await TestUtils.waitForCondition(() => {
+      return (
+        document.l10n.getAttributes(statusElement).args.status ==
+        configuration.wait_for_doh_status
+      );
+    });
+
+    await fn({
+      statusElement,
+    });
+
+    gBrowser.removeCurrentTab();
+    await setMockParentalControlEnabled(false);
+  }
+
+  info("Check parental controls disabled, TRR off");
+  await withConfiguration(
+    {
+      parentalControlsState: false,
+      trr_mode: 0,
+      wait_for_doh_status: "Off",
+    },
+    async res => {
+      is(
+        document.l10n.getAttributes(res.statusElement).args.status,
+        "Off",
+        "expecting status off"
+      );
+    }
+  );
+
+  info("Check parental controls enabled, TRR off");
+  await withConfiguration(
+    {
+      parentalControlsState: true,
+      trr_mode: 0,
+      wait_for_doh_status: "Off",
+    },
+    async res => {
+      is(
+        document.l10n.getAttributes(res.statusElement).args.status,
+        "Off",
+        "expecting status off"
+      );
+    }
+  );
+
+  // Enable the rollout.
+  await DoHTestUtils.loadRemoteSettingsConfig({
+    providers: "example",
+    rolloutEnabled: true,
+    steeringEnabled: false,
+    steeringProviders: "",
+    autoDefaultEnabled: false,
+    autoDefaultProviders: "",
+    id: "global",
+  });
+
+  info("Check parental controls disabled, TRR first");
+  await withConfiguration(
+    {
+      parentalControlsState: false,
+      trr_mode: 2,
+      wait_for_doh_status: "Active",
+    },
+    async res => {
+      is(
+        document.l10n.getAttributes(res.statusElement).args.status,
+        "Active",
+        "expecting status active"
+      );
+    }
+  );
+
+  info("Check parental controls enabled, TRR first");
+  await withConfiguration(
+    {
+      parentalControlsState: true,
+      trr_mode: 2,
+      wait_for_doh_status: "Not active (TRR_PARENTAL_CONTROL)",
+    },
+    async res => {
+      is(
+        document.l10n.getAttributes(res.statusElement).args.status,
+        "Not active (TRR_PARENTAL_CONTROL)",
+        "expecting status not active"
+      );
+    }
+  );
+
+  info("Check parental controls disabled, TRR only");
+  await withConfiguration(
+    {
+      parentalControlsState: false,
+      trr_mode: 3,
+      wait_for_doh_status: "Active",
+    },
+    async res => {
+      is(
+        document.l10n.getAttributes(res.statusElement).args.status,
+        "Active",
+        "expecting status active"
+      );
+    }
+  );
+
+  info("Check parental controls enabled, TRR only");
+  await withConfiguration(
+    {
+      parentalControlsState: true,
+      trr_mode: 3,
+      wait_for_doh_status: "Not active (TRR_PARENTAL_CONTROL)",
+    },
+    async res => {
+      is(
+        document.l10n.getAttributes(res.statusElement).args.status,
+        "Not active (TRR_PARENTAL_CONTROL)",
+        "expecting status not active"
+      );
+    }
+  );
+
+  await resetPrefs();
+});
+
 async function testWithProperties(props, startTime) {
   info(
     Date.now() -
diff --git a/browser/components/preferences/tests/browser_subdialogs.js b/browser/components/preferences/tests/browser_subdialogs.js
index 8763ae9146..b604ac0a7f 100644
--- a/browser/components/preferences/tests/browser_subdialogs.js
+++ b/browser/components/preferences/tests/browser_subdialogs.js
@@ -173,7 +173,7 @@ async function close_subdialog_and_test_generic_end_state(
       );
       Assert.equal(
         frame.getAttribute("style"),
-        "",
+        null,
         "inline styles should be cleared"
       );
       Assert.equal(
@@ -407,17 +407,29 @@ add_task(async function background_click_should_close_dialog() {
   // Clicking on an inactive part of dialog itself should not close the dialog.
   // Click the dialog title bar here to make sure nothing happens.
   info("clicking the dialog title bar");
+  // We intentionally turn off this a11y check, because the following click
+  // is purposefully targeting a non-interactive element to confirm the opened
+  // dialog won't be dismissed. It is not meant to be interactive and is not
+  // expected to be accessible, therefore this rule check shall be ignored by
+  // a11y_checks suite.
+  AccessibilityUtils.setEnv({ mustHaveAccessibleRule: false });
   BrowserTestUtils.synthesizeMouseAtCenter(
     ".dialogTitle",
     {},
     tab.linkedBrowser
   );
+  AccessibilityUtils.resetEnv();
 
   // Close the dialog by clicking on the overlay background. Simulate a click
   // at point (2,2) instead of (0,0) so we are sure we're clicking on the
   // overlay background instead of some boundary condition that a real user
   // would never click.
   info("clicking the overlay background");
+  // We intentionally turn off this a11y check, because the following click
+  // is purposefully targeting a non-interactive element to dismiss the opened
+  // dialog with a mouse which can be done by assistive technology and keyboard
+  // by pressing `Esc` key, this rule check shall be ignored by a11y_checks.
+  AccessibilityUtils.setEnv({ mustHaveAccessibleRule: false });
   await close_subdialog_and_test_generic_end_state(
     tab.linkedBrowser,
     function () {
@@ -432,6 +444,7 @@ add_task(async function background_click_should_close_dialog() {
     0,
     { runClosingFnOutsideOfContentTask: true }
   );
+  AccessibilityUtils.resetEnv();
 });
 
 add_task(async function escape_should_close_dialog() {
diff --git a/browser/components/preferences/tests/siteData/browser.toml b/browser/components/preferences/tests/siteData/browser.toml
index 9f4f8306e1..b7e6ba1b6d 100644
--- a/browser/components/preferences/tests/siteData/browser.toml
+++ b/browser/components/preferences/tests/siteData/browser.toml
@@ -10,6 +10,8 @@ support-files = [
 
 ["browser_clearSiteData.js"]
 
+["browser_clearSiteData_v2.js"]
+
 ["browser_siteData.js"]
 
 ["browser_siteData2.js"]
diff --git a/browser/components/preferences/tests/siteData/browser_clearSiteData.js b/browser/components/preferences/tests/siteData/browser_clearSiteData.js
index 7ae1fda453..4924dccfea 100644
--- a/browser/components/preferences/tests/siteData/browser_clearSiteData.js
+++ b/browser/components/preferences/tests/siteData/browser_clearSiteData.js
@@ -7,10 +7,6 @@ const { PermissionTestUtils } = ChromeUtils.importESModule(
   "resource://testing-common/PermissionTestUtils.sys.mjs"
 );
 
-let useOldClearHistoryDialog = Services.prefs.getBoolPref(
-  "privacy.sanitize.useOldClearHistoryDialog"
-);
-
 async function testClearData(clearSiteData, clearCache) {
   PermissionTestUtils.add(
     TEST_QUOTA_USAGE_ORIGIN,
@@ -64,9 +60,7 @@ async function testClearData(clearSiteData, clearCache) {
   let doc = gBrowser.selectedBrowser.contentDocument;
   let clearSiteDataButton = doc.getElementById("clearSiteDataButton");
 
-  let url = useOldClearHistoryDialog
-    ? "chrome://browser/content/preferences/dialogs/clearSiteData.xhtml"
-    : "chrome://browser/content/sanitize_v2.xhtml";
+  let url = "chrome://browser/content/preferences/dialogs/clearSiteData.xhtml";
   let dialogOpened = promiseLoadSubDialog(url);
   clearSiteDataButton.doCommand();
   let dialogWin = await dialogOpened;
@@ -78,10 +72,8 @@ async function testClearData(clearSiteData, clearCache) {
   // since we've had cache intermittently changing under our feet.
   let [, convertedCacheUnit] = DownloadUtils.convertByteUnits(cacheUsage);
 
-  let cookiesCheckboxId = useOldClearHistoryDialog
-    ? "clearSiteData"
-    : "cookiesAndStorage";
-  let cacheCheckboxId = useOldClearHistoryDialog ? "clearCache" : "cache";
+  let cookiesCheckboxId = "clearSiteData";
+  let cacheCheckboxId = "clearCache";
   let clearSiteDataCheckbox =
     dialogWin.document.getElementById(cookiesCheckboxId);
   let clearCacheCheckbox = dialogWin.document.getElementById(cacheCheckboxId);
@@ -106,28 +98,13 @@ async function testClearData(clearSiteData, clearCache) {
   clearSiteDataCheckbox.checked = clearSiteData;
   clearCacheCheckbox.checked = clearCache;
 
-  if (!useOldClearHistoryDialog) {
-    // The new clear history dialog has a seperate checkbox for site settings
-    let siteSettingsCheckbox =
-      dialogWin.document.getElementById("siteSettings");
-    siteSettingsCheckbox.checked = clearSiteData;
-    // select clear everything to match the old dialog boxes behaviour for this test
-    let timespanSelection = dialogWin.document.getElementById(
-      "sanitizeDurationChoice"
-    );
-    timespanSelection.value = 0;
-  }
   // Some additional promises/assertions to wait for
   // when deleting site data.
   let acceptPromise;
   let updatePromise;
   let cookiesClearedPromise;
   if (clearSiteData) {
-    // the new clear history dialog does not have a extra prompt
-    // to clear site data after clicking clear
-    if (useOldClearHistoryDialog) {
-      acceptPromise = BrowserTestUtils.promiseAlertDialogOpen("accept");
-    }
+    acceptPromise = BrowserTestUtils.promiseAlertDialogOpen("accept");
     updatePromise = promiseSiteDataManagerSitesUpdated();
     cookiesClearedPromise = promiseCookiesCleared();
   }
@@ -137,7 +114,7 @@ async function testClearData(clearSiteData, clearCache) {
   let clearButton = dialogWin.document
     .querySelector("dialog")
     .getButton("accept");
-  if (!clearSiteData && !clearCache && useOldClearHistoryDialog) {
+  if (!clearSiteData && !clearCache) {
     // Simulate user input on one of the checkboxes to trigger the event listener for
     // disabling the clearButton.
     clearCacheCheckbox.doCommand();
@@ -158,7 +135,7 @@ async function testClearData(clearSiteData, clearCache) {
 
   // For site data we display an extra warning dialog, make sure
   // to accept it.
-  if (clearSiteData && useOldClearHistoryDialog) {
+  if (clearSiteData) {
     await acceptPromise;
   }
 
@@ -222,6 +199,12 @@ async function testClearData(clearSiteData, clearCache) {
   await SiteDataManager.removeAll();
 }
 
+add_setup(function () {
+  SpecialPowers.pushPrefEnv({
+    set: [["privacy.sanitize.useOldClearHistoryDialog", true]],
+  });
+});
+
 // Test opening the "Clear All Data" dialog and cancelling.
 add_task(async function () {
   await testClearData(false, false);
diff --git a/browser/components/preferences/tests/siteData/browser_clearSiteData_v2.js b/browser/components/preferences/tests/siteData/browser_clearSiteData_v2.js
new file mode 100644
index 0000000000..8cb8be25b3
--- /dev/null
+++ b/browser/components/preferences/tests/siteData/browser_clearSiteData_v2.js
@@ -0,0 +1,258 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const { PermissionTestUtils } = ChromeUtils.importESModule(
+  "resource://testing-common/PermissionTestUtils.sys.mjs"
+);
+
+async function testClearData(clearSiteData, clearCache) {
+  PermissionTestUtils.add(
+    TEST_QUOTA_USAGE_ORIGIN,
+    "persistent-storage",
+    Services.perms.ALLOW_ACTION
+  );
+
+  // Open a test site which saves into appcache.
+  await BrowserTestUtils.openNewForegroundTab(gBrowser, TEST_OFFLINE_URL);
+  BrowserTestUtils.removeTab(gBrowser.selectedTab);
+
+  // Fill indexedDB with test data.
+  // Don't wait for the page to load, to register the content event handler as quickly as possible.
+  // If this test goes intermittent, we might have to tell the page to wait longer before
+  // firing the event.
+  BrowserTestUtils.openNewForegroundTab(gBrowser, TEST_QUOTA_USAGE_URL, false);
+  await BrowserTestUtils.waitForContentEvent(
+    gBrowser.selectedBrowser,
+    "test-indexedDB-done",
+    false,
+    null,
+    true
+  );
+  BrowserTestUtils.removeTab(gBrowser.selectedTab);
+
+  // Register some service workers.
+  await loadServiceWorkerTestPage(TEST_SERVICE_WORKER_URL);
+  await promiseServiceWorkerRegisteredFor(TEST_SERVICE_WORKER_URL);
+
+  await openPreferencesViaOpenPreferencesAPI("privacy", { leaveOpen: true });
+
+  // Test the initial states.
+  let cacheUsage = await SiteDataManager.getCacheSize();
+  let quotaUsage = await SiteDataTestUtils.getQuotaUsage(
+    TEST_QUOTA_USAGE_ORIGIN
+  );
+  let totalUsage = await SiteDataManager.getTotalUsage();
+  Assert.greater(cacheUsage, 0, "The cache usage should not be 0");
+  Assert.greater(quotaUsage, 0, "The quota usage should not be 0");
+  Assert.greater(totalUsage, 0, "The total usage should not be 0");
+
+  let initialSizeLabelValue = await SpecialPowers.spawn(
+    gBrowser.selectedBrowser,
+    [],
+    async function () {
+      let sizeLabel = content.document.getElementById("totalSiteDataSize");
+      return sizeLabel.textContent;
+    }
+  );
+
+  let doc = gBrowser.selectedBrowser.contentDocument;
+  let clearSiteDataButton = doc.getElementById("clearSiteDataButton");
+
+  let url = "chrome://browser/content/sanitize_v2.xhtml";
+  let dialogOpened = promiseLoadSubDialog(url);
+  clearSiteDataButton.doCommand();
+  let dialogWin = await dialogOpened;
+
+  // Convert the usage numbers in the same way the UI does it to assert
+  // that they're displayed in the dialog.
+  let [convertedTotalUsage] = DownloadUtils.convertByteUnits(totalUsage);
+  // For cache we just assert that the right unit (KB, probably) is displayed,
+  // since we've had cache intermittently changing under our feet.
+  let [, convertedCacheUnit] = DownloadUtils.convertByteUnits(cacheUsage);
+
+  let cookiesCheckboxId = "cookiesAndStorage";
+  let cacheCheckboxId = "cache";
+  let clearSiteDataCheckbox =
+    dialogWin.document.getElementById(cookiesCheckboxId);
+  let clearCacheCheckbox = dialogWin.document.getElementById(cacheCheckboxId);
+  // The usage details are filled asynchronously, so we assert that they're present by
+  // waiting for them to be filled in.
+  await Promise.all([
+    TestUtils.waitForCondition(
+      () =>
+        clearSiteDataCheckbox.label &&
+        clearSiteDataCheckbox.label.includes(convertedTotalUsage),
+      "Should show the quota usage"
+    ),
+    TestUtils.waitForCondition(
+      () =>
+        clearCacheCheckbox.label &&
+        clearCacheCheckbox.label.includes(convertedCacheUnit),
+      "Should show the cache usage"
+    ),
+  ]);
+
+  // Check the boxes according to our test input.
+  clearSiteDataCheckbox.checked = clearSiteData;
+  clearCacheCheckbox.checked = clearCache;
+
+  // select clear everything to match the old dialog boxes behaviour for this test
+  let timespanSelection = dialogWin.document.getElementById(
+    "sanitizeDurationChoice"
+  );
+  timespanSelection.value = 1;
+
+  // Some additional promises/assertions to wait for
+  // when deleting site data.
+  let updatePromise;
+  if (clearSiteData) {
+    // the new clear history dialog does not have a extra prompt
+    // to clear site data after clicking clear
+    updatePromise = promiseSiteDataManagerSitesUpdated();
+  }
+
+  let dialogClosed = BrowserTestUtils.waitForEvent(dialogWin, "unload");
+
+  let clearButton = dialogWin.document
+    .querySelector("dialog")
+    .getButton("accept");
+  let cancelButton = dialogWin.document
+    .querySelector("dialog")
+    .getButton("cancel");
+
+  if (!clearSiteData && !clearCache) {
+    // Cancel, since we can't delete anything.
+    cancelButton.click();
+  } else {
+    // Delete stuff!
+    clearButton.click();
+  }
+
+  await dialogClosed;
+
+  if (clearCache) {
+    TestUtils.waitForCondition(async function () {
+      let usage = await SiteDataManager.getCacheSize();
+      return usage == 0;
+    }, "The cache usage should be removed");
+  } else {
+    Assert.greater(
+      await SiteDataManager.getCacheSize(),
+      0,
+      "The cache usage should not be 0"
+    );
+  }
+
+  if (clearSiteData) {
+    await updatePromise;
+    await promiseServiceWorkersCleared();
+
+    TestUtils.waitForCondition(async function () {
+      let usage = await SiteDataManager.getTotalUsage();
+      return usage == 0;
+    }, "The total usage should be removed");
+  } else {
+    quotaUsage = await SiteDataTestUtils.getQuotaUsage(TEST_QUOTA_USAGE_ORIGIN);
+    totalUsage = await SiteDataManager.getTotalUsage();
+    Assert.greater(quotaUsage, 0, "The quota usage should not be 0");
+    Assert.greater(totalUsage, 0, "The total usage should not be 0");
+  }
+
+  if (clearCache || clearSiteData) {
+    // Check that the size label in about:preferences updates after we cleared data.
+    await SpecialPowers.spawn(
+      gBrowser.selectedBrowser,
+      [{ initialSizeLabelValue }],
+      async function (opts) {
+        let sizeLabel = content.document.getElementById("totalSiteDataSize");
+        await ContentTaskUtils.waitForCondition(
+          () => sizeLabel.textContent != opts.initialSizeLabelValue,
+          "Site data size label should have updated."
+        );
+      }
+    );
+  }
+
+  let permission = PermissionTestUtils.getPermissionObject(
+    TEST_QUOTA_USAGE_ORIGIN,
+    "persistent-storage"
+  );
+  is(
+    clearSiteData ? permission : permission.capability,
+    clearSiteData ? null : Services.perms.ALLOW_ACTION,
+    "Should have the correct permission state."
+  );
+
+  BrowserTestUtils.removeTab(gBrowser.selectedTab);
+  await SiteDataManager.removeAll();
+}
+
+add_setup(function () {
+  SpecialPowers.pushPrefEnv({
+    set: [["privacy.sanitize.useOldClearHistoryDialog", false]],
+  });
+
+  // The tests in this file all test specific interactions with the new clear
+  // history dialog and can't be split up.
+  requestLongerTimeout(2);
+});
+
+// Test opening the "Clear All Data" dialog and cancelling.
+add_task(async function testNoSiteDataNoCacheClearing() {
+  await testClearData(false, false);
+});
+
+// Test opening the "Clear All Data" dialog and removing all site data.
+add_task(async function testSiteDataClearing() {
+  await testClearData(true, false);
+});
+
+// Test opening the "Clear All Data" dialog and removing all cache.
+add_task(async function testCacheClearing() {
+  await testClearData(false, true);
+});
+
+// Test opening the "Clear All Data" dialog and removing everything.
+add_task(async function testSiteDataAndCacheClearing() {
+  await testClearData(true, true);
+});
+
+// Test clearing persistent storage
+add_task(async function testPersistentStorage() {
+  PermissionTestUtils.add(
+    TEST_QUOTA_USAGE_ORIGIN,
+    "persistent-storage",
+    Services.perms.ALLOW_ACTION
+  );
+
+  await openPreferencesViaOpenPreferencesAPI("privacy", { leaveOpen: true });
+
+  let doc = gBrowser.selectedBrowser.contentDocument;
+  let clearSiteDataButton = doc.getElementById("clearSiteDataButton");
+
+  let url = "chrome://browser/content/sanitize_v2.xhtml";
+  let dialogOpened = promiseLoadSubDialog(url);
+  clearSiteDataButton.doCommand();
+  let dialogWin = await dialogOpened;
+  let dialogClosed = BrowserTestUtils.waitForEvent(dialogWin, "unload");
+
+  let timespanSelection = dialogWin.document.getElementById(
+    "sanitizeDurationChoice"
+  );
+  timespanSelection.value = 1;
+  let clearButton = dialogWin.document
+    .querySelector("dialog")
+    .getButton("accept");
+  clearButton.click();
+  await dialogClosed;
+
+  let permission = PermissionTestUtils.getPermissionObject(
+    TEST_QUOTA_USAGE_ORIGIN,
+    "persistent-storage"
+  );
+  is(permission, null, "Should have the correct permission state.");
+
+  BrowserTestUtils.removeTab(gBrowser.selectedTab);
+});