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

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../test/mochitest/.eslintrc.js                    |   7 +
 .../test/mochitest/decode_error.mp4                | Bin 0 -> 344124 bytes
 .../test/mochitest/file_animation_api.html         | 104 +++++++++
 .../test/mochitest/mochitest.ini                   |  29 +++
 .../test/mochitest/test_animation_api.html         |  78 +++++++
 .../mochitest/test_bug1354633_media_error.html     |  53 +++++
 .../test/mochitest/test_bug1382499_touch_api.html  |  70 ++++++
 .../mochitest/test_bug863246_resource_uri.html     |  43 ++++
 .../test/mochitest/test_device_sensor_event.html   |  50 +++++
 .../test/mochitest/test_geolocation.html           |  68 ++++++
 .../test/mochitest/test_hide_gamepad_info.html     |  23 ++
 .../mochitest/test_hide_gamepad_info_iframe.html   |  45 ++++
 .../test/mochitest/test_iframe.html                |  18 ++
 .../test/mochitest/test_keyboard_event.html        |  61 ++++++
 .../test/mochitest/test_pointer_event.html         | 242 +++++++++++++++++++++
 .../test/mochitest/test_speech_synthesis.html      | 105 +++++++++
 .../test/mochitest/worker_child.js                 |  28 +++
 .../test/mochitest/worker_grandchild.js            |  10 +
 18 files changed, 1034 insertions(+)
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/.eslintrc.js
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/decode_error.mp4
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/file_animation_api.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/mochitest.ini
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_animation_api.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_bug1354633_media_error.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_bug1382499_touch_api.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_bug863246_resource_uri.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_device_sensor_event.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_geolocation.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_hide_gamepad_info.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_hide_gamepad_info_iframe.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_iframe.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_keyboard_event.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_pointer_event.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/test_speech_synthesis.html
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/worker_child.js
 create mode 100644 browser/components/resistfingerprinting/test/mochitest/worker_grandchild.js

(limited to 'browser/components/resistfingerprinting/test/mochitest')

diff --git a/browser/components/resistfingerprinting/test/mochitest/.eslintrc.js b/browser/components/resistfingerprinting/test/mochitest/.eslintrc.js
new file mode 100644
index 0000000000..16ee78885f
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/.eslintrc.js
@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = {
+  rules: {
+    "no-eval": "off",
+  },
+};
diff --git a/browser/components/resistfingerprinting/test/mochitest/decode_error.mp4 b/browser/components/resistfingerprinting/test/mochitest/decode_error.mp4
new file mode 100644
index 0000000000..ee72e2dd75
Binary files /dev/null and b/browser/components/resistfingerprinting/test/mochitest/decode_error.mp4 differ
diff --git a/browser/components/resistfingerprinting/test/mochitest/file_animation_api.html b/browser/components/resistfingerprinting/test/mochitest/file_animation_api.html
new file mode 100644
index 0000000000..376fddf343
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/file_animation_api.html
@@ -0,0 +1,104 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1382545</title>
+<script>
+  function waitForCondition(aCond, aCallback, aErrorMsg) {
+    var tries = 0;
+    var interval = setInterval(() => {
+      if (tries >= 30) {
+        opener.ok(false, aErrorMsg);
+        moveOn();
+        return;
+      }
+      var conditionPassed;
+      try {
+        conditionPassed = aCond();
+      } catch (e) {
+        opener.ok(false, `${e}\n${e.stack}`);
+        conditionPassed = false;
+      }
+      if (conditionPassed) {
+        moveOn();
+      }
+      tries++;
+    }, 100);
+    var moveOn = () => { clearInterval(interval); aCallback(); };
+  }
+
+  function runTest() {
+    let expectedPrecision = opener.expectedPrecision / 1000;
+    let isRounded = (x) => {
+      let rounded = (Math.floor(x / expectedPrecision) * expectedPrecision);
+      // First we do the perfectly normal check that should work just fine
+      if (rounded === x || x === 0)
+        return true;
+
+      // When we're diving by non-whole numbers, we may not get perfect
+      // multiplication/division because of floating points.
+      // When dealing with ms since epoch, a double's precision is on the order
+      // of 1/5 of a microsecond, so we use a value a little higher than that as
+      // our epsilon.
+      // To be clear, this error is introduced in our re-calculation of 'rounded'
+      // above in JavaScript.
+      if (Math.abs(rounded - x + expectedPrecision) < .0005) {
+        return true;
+      } else if (Math.abs(rounded - x) < .0005) {
+        return true;
+      }
+
+      // Then we handle the case where you're sub-millisecond and the timer is not
+      // We check that the timer is not sub-millisecond by assuming it is not if it
+      // returns an even number of milliseconds
+      if (expectedPrecision < 1 && Math.round(x) == x) {
+        if (Math.round(rounded) == x) {
+          return true;
+        }
+      }
+
+      // We are temporarily disabling this extra debugging failure because we expect to return false in some instances
+      // When we correct things we will re-enable it for debugging assistance
+      // opener.ok(false, "Looming Test Failure, Additional Debugging Info: Expected Precision: " + expectedPrecision + " Measured Value: " + x +
+      //   " Rounded Vaue: " + rounded + " Fuzzy1: " + Math.abs(rounded - x + expectedPrecision) +
+      //   " Fuzzy 2: " + Math.abs(rounded - x));
+
+      return false;
+    };
+    const testDiv = document.getElementById("testDiv");
+    const animation = testDiv.animate({ opacity: [0, 1] }, 100000);
+    animation.play();
+
+    waitForCondition(
+      () => animation.currentTime > 100,
+        () => {
+          // We have disabled Time Precision Reduction for CSS Animations, so we expect those tests to fail.
+          // If we are testing that preference, we accept either rounded or not rounded values as A-OK.
+          var maybeAcceptEverything = function(value) {
+            if (opener.prefName.includes("privacy.reduceTimerPrecision") &&
+                !opener.prefName.includes("privacy.resistFingerprinting"))
+              return true;
+            return value;
+          };
+
+          opener.ok(maybeAcceptEverything(isRounded(animation.startTime)),
+             "pref: " + opener.prefName + " - animation.startTime with precision " + expectedPrecision + " is not rounded: " + animation.startTime);
+          opener.ok(maybeAcceptEverything(isRounded(animation.currentTime)),
+             "pref: " + opener.prefName + " - animation.currentTime with precision " + expectedPrecision + " is not rounded: " + animation.currentTime);
+          opener.ok(maybeAcceptEverything(isRounded(animation.timeline.currentTime)),
+             "pref: " + opener.prefName + " - animation.timeline.currentTime with precision " + expectedPrecision + " is not rounded: " + animation.timeline.currentTime);
+          if (document.timeline) {
+            opener.ok(maybeAcceptEverything(isRounded(document.timeline.currentTime)),
+               "pref: " + opener.prefName + " - document.timeline.currentTime with precision " + expectedPrecision + " is not rounded: " + document.timeline.currentTime);
+          }
+          opener.done();
+          window.close();
+        },
+        "animation failed to start");
+  }
+</script>
+</head>
+<body onload="runTest();">
+<div id="testDiv">test</div>
+</body>
+</html>
diff --git a/browser/components/resistfingerprinting/test/mochitest/mochitest.ini b/browser/components/resistfingerprinting/test/mochitest/mochitest.ini
new file mode 100644
index 0000000000..2429f5e4dc
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/mochitest.ini
@@ -0,0 +1,29 @@
+[DEFAULT]
+skip-if = toolkit == 'android' # bug 1730213
+tags = resistfingerprinting
+
+support-files =
+  file_animation_api.html
+  worker_child.js
+  worker_grandchild.js
+  !/dom/tests/mochitest/geolocation/network_geolocation.sjs
+
+[test_animation_api.html]
+[test_bug1354633_media_error.html]
+support-files = decode_error.mp4
+[test_bug1382499_touch_api.html]
+[test_bug863246_resource_uri.html]
+[test_device_sensor_event.html]
+[test_geolocation.html]
+scheme = https
+fail-if = xorigin
+[test_hide_gamepad_info.html]
+scheme = https
+support-files = test_hide_gamepad_info_iframe.html
+[test_iframe.html]
+[test_keyboard_event.html]
+[test_pointer_event.html]
+  support-files =
+    ../../../../../dom/events/test/pointerevents/mochitest_support_external.js
+[test_speech_synthesis.html]
+skip-if = verify
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_animation_api.html b/browser/components/resistfingerprinting/test/mochitest/test_animation_api.html
new file mode 100644
index 0000000000..e754eeac7d
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_animation_api.html
@@ -0,0 +1,78 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1382545
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1382545</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+  <script type="application/javascript">
+
+  /** Test for Bug 1382545 */
+  SimpleTest.waitForExplicitFinish();
+
+  // Used by file_animation_api.html
+  var prefName = "";
+  var expectedPrecision = 0;
+  var resistFingerprinting = false;
+  var reduceTimerPrecision = false;
+
+  function runTest() {
+    // No matter what we set the precision to, if we're in ResistFingerprinting mode
+    // we use the larger of the precision pref and the constant RFP time-atom
+    if (resistFingerprinting) {
+      const RFP_TIME_ATOM_MS = 16.667;
+      expectedPrecision = Math.max(1000*RFP_TIME_ATOM_MS, expectedPrecision);
+    }
+    window.open("file_animation_api.html");
+  }
+
+  function setupTest(rfp, rtp, ep) {
+    // Set globals
+    expectedPrecision = ep;
+    resistFingerprinting = rfp;
+    reduceTimerPrecision = rtp;
+    prefName = "";
+    prefName += resistFingerprinting ? "privacy.resistFingerprinting " : "";
+    prefName += reduceTimerPrecision ? "privacy.reduceTimerPrecision " : "";
+    SpecialPowers.pushPrefEnv({"set":
+      [
+        ["dom.animations-api.timelines.enabled", true],
+        ["privacy.resistFingerprinting", resistFingerprinting],
+        ["privacy.reduceTimerPrecision", reduceTimerPrecision],
+        ["privacy.resistFingerprinting.reduceTimerPrecision.microseconds", expectedPrecision],
+      ],
+    }, runTest);
+  }
+
+  var testIndx = 0;
+  var testSequence = [
+    [true, false, 100000],
+    [false, true, 100000],
+    [true, false, 50000],
+    [false, true, 50000],
+    [true, false, 100],
+    [false, true, 100],
+    [true, true, 13],
+    [false, true, 13],
+  ];
+
+  window.onload = () => {
+    setupTest(testSequence[testIndx][0], testSequence[testIndx][1], testSequence[testIndx][2]);
+  };
+
+  function done() {
+    testIndx++;
+    if (testIndx == testSequence.length) {
+      SimpleTest.finish();
+    } else {
+      setupTest(testSequence[testIndx][0], testSequence[testIndx][1], testSequence[testIndx][2]);
+    }
+  }
+  </script>
+</head>
+<body>
+</body>
+</html>
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_bug1354633_media_error.html b/browser/components/resistfingerprinting/test/mochitest/test_bug1354633_media_error.html
new file mode 100644
index 0000000000..1155ab1778
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_bug1354633_media_error.html
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<script>
+/* global SimpleTest SpecialPowers */
+
+let errorMessageMap = {};
+
+let testPromise = (resistFingerprinting, src, allowlist) => new Promise(resolve => {
+  let video = document.createElement("video");
+  video.src = src;
+  video.controls = "true";
+  video.onerror = () => {
+    let message = video.error.message;
+    if (!resistFingerprinting) {
+      SimpleTest.isnot(message, "", "Message should not be blank");
+      SimpleTest.info(src + ": " + message);
+      errorMessageMap[src] = message;
+    } else if (allowlist) {
+      SimpleTest.is(message, allowlist, "Error message in allowlist: " + allowlist);
+    } else {
+      SimpleTest.is(message, "", "Blank error message: " + errorMessageMap[src]);
+    }
+    resolve();
+  };
+  document.body.appendChild(video);
+});
+
+async function testBody(resistFingerprinting) {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["privacy.resistFingerprinting", resistFingerprinting],
+    ],
+  });
+  await testPromise(
+    resistFingerprinting,
+    "load_error.mp4",
+    "404: Not Found" // allowlist
+  );
+  await testPromise(
+    resistFingerprinting,
+    "decode_error.mp4",
+    false // allowlist
+  );
+}
+
+SimpleTest.waitForExplicitFinish();
+document.addEventListener("DOMContentLoaded", async () => {
+  await testBody(false);
+  await testBody(true);
+  SimpleTest.finish();
+});
+</script>
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_bug1382499_touch_api.html b/browser/components/resistfingerprinting/test/mochitest/test_bug1382499_touch_api.html
new file mode 100644
index 0000000000..c440d37cf2
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_bug1382499_touch_api.html
@@ -0,0 +1,70 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<script src="/tests/SimpleTest/EventUtils.js"></script>
+<script>
+/* global SimpleTest SpecialPowers synthesizeTouch */
+
+SimpleTest.waitForExplicitFinish();
+
+function promiseEvent(target, eventName) {
+  return new Promise(resolve => {
+    target.addEventListener(eventName, resolve, {once: true});
+  });
+}
+
+function promiseTouchEvent(target, type, offsetX, offsetY, params) {
+  let touchEventPromise = promiseEvent(target, type);
+  params.type = type;
+  synthesizeTouch(target, offsetX, offsetY, params);
+  return touchEventPromise;
+}
+
+document.addEventListener("DOMContentLoaded", async () => {
+  const target0 = document.getElementById("target0");
+  const touchParams = {force: 1.0, angle: 1.0, rx: 2, ry: 3};
+  await SpecialPowers.pushPrefEnv({set: [["dom.w3c_touch_events.enabled", 1]]});
+
+  for (let seq of [0, 1, 2, 3]) {
+    let resist = false;
+    if (seq == 0) {
+      resist = true;
+      await SpecialPowers.pushPrefEnv({set: [["privacy.resistFingerprinting", true]]});
+    } else if (seq == 1) {
+      await SpecialPowers.pushPrefEnv({set: [["privacy.resistFingerprinting", false]]});
+    } else if (seq == 2) {
+      resist = true;
+      await SpecialPowers.pushPrefEnv({set: [
+        ["privacy.fingerprintingProtection", true],
+        ["privacy.fingerprintingProtection.overrides", "+TouchEvents"]
+      ]});
+    } else {
+      await SpecialPowers.pushPrefEnv({set: [
+        ["privacy.fingerprintingProtection", true],
+        ["privacy.fingerprintingProtection.overrides", "-TouchEvents"]
+      ]});
+    }
+
+    info("starting test with fingerprinting resistance " + (resist ? "on" : "off") + " sequence number " + seq);
+    let touchEvent = await promiseTouchEvent(target0, "touchstart", 5, 5, touchParams);
+    info("touch event received");
+    let touch = touchEvent.touches[0];
+
+    if (resist) {
+      is(touch.screenX, touch.clientX, "touch.screenX should be the same as touch.clientX");
+      is(touch.screenY, touch.clientY, "touch.screenY should be the same as touch.clientY");
+      // radiusX/radiusY may differ from the original rx/ry because of AppUnitsPerCSSPixel and AppUnitsPerDevPixel.
+      // So only check if the values are spoofed.
+      is(touch.radiusX, 0, "touch.radiusX");
+      is(touch.radiusY, 0, "touch.radiusY");
+    }
+    is(touch.force, resist ? 0.0 : touchParams.force, "touch.force");
+    is(touch.rotationAngle, resist ? 0 : touchParams.angle, "touch.rotationAngle");
+    await SpecialPowers.popPrefEnv();
+  }
+
+  SimpleTest.finish();
+});
+</script>
+<div id="target0">target 0</div>
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_bug863246_resource_uri.html b/browser/components/resistfingerprinting/test/mochitest/test_bug863246_resource_uri.html
new file mode 100644
index 0000000000..fda1c04200
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_bug863246_resource_uri.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<meta charset="utf8">
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<script>
+/* global SimpleTest SpecialPowers add_task */
+
+function testResourceUri(aTest, aUri, aContentAccessible) {
+  return new Promise((aResolve) => {
+    let link = document.createElement("link");
+    link.rel = "stylesheet";
+    link.onload = () => {
+      SimpleTest.ok(aContentAccessible, aTest);
+      aResolve();
+    };
+    link.onerror = () => {
+      SimpleTest.ok(!aContentAccessible, aTest);
+      aResolve();
+    };
+    link.href = aUri;
+    document.head.appendChild(link);
+  });
+}
+
+add_task(async function() {
+  await testResourceUri(
+      "resource://content-accessible is content-accessible",
+      "resource://content-accessible/viewsource.css",
+      true);
+  await testResourceUri(
+      "resource://gre-resources is not content-accessible",
+      "resource://gre-resources/html.css",
+      false);
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["security.all_resource_uri_content_accessible", true],
+    ],
+  });
+  await testResourceUri(
+      "security.all_resource_uri_content_accessible = true, resource://gre-resources is now content-accessible",
+      "resource://gre-resources/html.css",
+      true);
+});
+</script>
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_device_sensor_event.html b/browser/components/resistfingerprinting/test/mochitest/test_device_sensor_event.html
new file mode 100644
index 0000000000..7ec4dce94f
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_device_sensor_event.html
@@ -0,0 +1,50 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1369319
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1369319</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+  <script type="application/javascript">
+
+  /** Test for Bug 1369319 */
+  SimpleTest.waitForExplicitFinish();
+  window.onload = () => {
+    SimpleTest.waitForFocus(() => {
+      SpecialPowers.pushPrefEnv({"set":
+        [
+          ["device.sensors.test.events", true],
+          ["privacy.resistFingerprinting", true],
+        ],
+      }, doTest);
+    }, window);
+  };
+
+  function doTest() {
+    window.addEventListener("devicemotion", () => {
+      ok(false, "The device motion event should not be fired.");
+    }, {once: true});
+
+    window.addEventListener("TestEvent", () => {
+      // If we receive this event without receiving a 'devicemotion' event, this means
+      // the device sensor event has been blocked correctly.
+      ok(true, "Got the 'TestEvent' event.");
+      SimpleTest.finish();
+    }, {once: true});
+
+    window.dispatchEvent(new CustomEvent("TestEvent"));
+  }
+  </script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_geolocation.html b/browser/components/resistfingerprinting/test/mochitest/test_geolocation.html
new file mode 100644
index 0000000000..95394ddb56
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_geolocation.html
@@ -0,0 +1,68 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1372069
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1372069</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+  <script type="application/javascript">
+
+  const BASE_GEO_URL = "http://mochi.test:8888/tests/dom/tests/mochitest/geolocation/network_geolocation.sjs";
+
+  /** Test for Bug 1372069 */
+  /** Modified for Bug 1441295 */
+  SimpleTest.waitForExplicitFinish();
+  window.onload = () => {
+    SimpleTest.waitForFocus(() => {
+      SpecialPowers.pushPrefEnv({"set":
+        [
+          ["privacy.resistFingerprinting", true],
+          ["geo.prompt.testing", true],
+          ["geo.prompt.testing.allow", true],
+          ["geo.provider.network.url", BASE_GEO_URL],
+        ],
+      }, doTest_getCurrentPosition);
+    }, window);
+  };
+
+  function doTest_getCurrentPosition() {
+    navigator.geolocation.getCurrentPosition(
+      (position) => {
+        ok(true, "Success callback is expected to be called");
+        doTest_watchPosition();
+      },
+      (error) => {
+        ok(false, "Should be able to call success callback, Got error. code = " + error.code);
+        doTest_watchPosition();
+      }
+    );
+  }
+
+  function doTest_watchPosition() {
+    let wid = navigator.geolocation.watchPosition(
+      (position) => {
+        ok(true, "Success callback is expected to be called");
+        navigator.geolocation.clearWatch(wid);
+        SimpleTest.finish();
+      },
+      (error) => {
+        ok(false, "Should be able to call success callback, Got error. code = " + error.code);
+        navigator.geolocation.clearWatch(wid);
+        SimpleTest.finish();
+      }
+    );
+  }
+  </script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_hide_gamepad_info.html b/browser/components/resistfingerprinting/test/mochitest/test_hide_gamepad_info.html
new file mode 100644
index 0000000000..08fdb0c852
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_hide_gamepad_info.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<meta charset="utf8">
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<script>
+/* global SimpleTest SpecialPowers */
+
+SimpleTest.waitForExplicitFinish();
+document.addEventListener("DOMContentLoaded", function() {
+  SpecialPowers.pushPrefEnv({
+    set: [
+      ["dom.gamepad.test.enabled", true],
+      ["privacy.resistFingerprinting", true],
+    ],
+  }, function() {
+    // This test loads in an iframe, to ensure that the navigator instance is
+    // loaded with the correct value of the preference.
+    var iframe = document.createElement("iframe");
+    iframe.allow = "gamepad";
+    iframe.src = "test_hide_gamepad_info_iframe.html";
+    document.body.appendChild(iframe);
+  });
+});
+</script>
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_hide_gamepad_info_iframe.html b/browser/components/resistfingerprinting/test/mochitest/test_hide_gamepad_info_iframe.html
new file mode 100644
index 0000000000..5946e1ce6e
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_hide_gamepad_info_iframe.html
@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<meta charset="utf8">
+<!--<script src="/tests/SimpleTest/SimpleTest.js"></script>-->
+<script>
+var SimpleTest = window.parent.SimpleTest;
+
+function forceFail() {
+  SimpleTest.ok(
+    false,
+    "privacy.resistFingerprinting is true, should not receive any gamepad events"
+  );
+}
+
+window.addEventListener("gamepadconnected", forceFail);
+window.addEventListener("gamepaddisconnected", forceFail);
+window.addEventListener("gamepadbuttondown", forceFail);
+
+window.addEventListener("load", async () => {
+  const service = navigator.requestGamepadServiceTest();
+  const buttonIndex = await service.addGamepad(
+    "test gamepad", // id
+    service.standardMapping,
+    service.noHand,
+    4, // buttons
+    2,
+    0,
+    0,
+    0
+  );
+
+  // Press a button to make the gamepad visible to the page.
+  await service.newButtonEvent(buttonIndex, 0, true, true);
+
+  const { length } = navigator.getGamepads();
+  SimpleTest.is(
+    length,
+    0,
+    "privacy.resistFingerprinting is true, navigator.getGamepads() should always return an empty array"
+  );
+
+  // Attempt to force gamepad events to be fired, by simulating gamepad disconnect
+  await service.removeGamepad(buttonIndex);
+  SimpleTest.finish();
+});
+</script>
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_iframe.html b/browser/components/resistfingerprinting/test/mochitest/test_iframe.html
new file mode 100644
index 0000000000..f01809b28c
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_iframe.html
@@ -0,0 +1,18 @@
+<!doctype html>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
+<body>
+<script>
+  add_task(async function() {
+    await SpecialPowers.pushPrefEnv({
+      "set": [["privacy.resistFingerprinting", true]],
+    });
+    is(screen.width, window.innerWidth, "Width should be spoofed");
+    is(screen.height, window.innerHeight, "Height should be spoofed");
+    let iframe = document.createElement("iframe");
+    document.body.appendChild(iframe);
+    is(iframe.contentWindow.screen.width, iframe.contentWindow.innerWidth, "Width should be spoofed in iframe");
+    is(iframe.contentWindow.screen.height, iframe.contentWindow.innerHeight, "Height should be spoofed in iframe");
+  });
+</script>
+</body>
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_keyboard_event.html b/browser/components/resistfingerprinting/test/mochitest/test_keyboard_event.html
new file mode 100644
index 0000000000..72f2d29b90
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_keyboard_event.html
@@ -0,0 +1,61 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1222285
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1222285</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+  <script type="application/javascript">
+
+  /** Test for Bug 1222285 */
+  SimpleTest.waitForExplicitFinish();
+
+  window.onload = () => {
+    SpecialPowers.pushPrefEnv({"set":
+      [
+        ["privacy.resistFingerprinting", true],
+      ],
+    }, doTestForSystemEventGroup);
+  };
+
+  // This test makes sure that system event group will still get real keyboard event.
+  function doTestForSystemEventGroup() {
+    SpecialPowers.addSystemEventListener(document, "keydown",
+      function eventHandler(aEvent) {
+        SpecialPowers.removeSystemEventListener(document,
+          "keydown", eventHandler, true);
+
+        is(aEvent.code, "Minus", "The system group event should get real code.");
+        is(aEvent.keyCode, 63, "The system group event should get real keyCode.");
+
+        doTestModifiersForSystemEventGroup();
+      }, true);
+
+    // Send key event to the system group.
+    synthesizeKey("\u00DF", {code: "Minus", keyCode: 63});
+  }
+
+  // Test that will system group event still get suppressed modifier keys
+  function doTestModifiersForSystemEventGroup() {
+    SpecialPowers.addSystemEventListener(document, "keydown",
+      function eventHandler(aEvent) {
+        SpecialPowers.removeSystemEventListener(document,
+          "keydown", eventHandler, true);
+        is(aEvent.key, "Alt", "The system group event get the suppressed keyboard event.");
+
+        SimpleTest.finish();
+      }, true);
+
+    // Send key event to the system group.
+    synthesizeKey("KEY_Alt", {altKey: true});
+  }
+
+  </script>
+</head>
+<body>
+</body>
+</html>
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_pointer_event.html b/browser/components/resistfingerprinting/test/mochitest/test_pointer_event.html
new file mode 100644
index 0000000000..5b8271274e
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_pointer_event.html
@@ -0,0 +1,242 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1363508
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Pointer Events spoofing</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<div id="target0" style="width: 50px; height: 50px; background: green"></div>
+<div id="target1" style="width: 50px; height: 50px; background: black"></div>
+<script type="application/javascript">
+
+  /** Test for Bug 1363508 */
+  SimpleTest.waitForExplicitFinish();
+
+  var target0 = window.document.getElementById("target0");
+  var target1 = window.document.getElementById("target1");
+  var utils = SpecialPowers.Ci.nsIDOMWindowUtils;
+
+  // A helper function to check that whether the pointer is spoofed correctly.
+  function checkPointerEvent(aEvent) {
+    is(aEvent.pointerId, utils.DEFAULT_MOUSE_POINTER_ID,
+       "The spoofed pointer event should always have the mouse pointer id.");
+    is(aEvent.width, 1, "The spoofed pointer event should always have width as 1.");
+    is(aEvent.height, 1, "The spoofed pointer event should always have width as 1.");
+    if (aEvent.buttons === 0) {
+      is(aEvent.pressure, 0.0,
+         "The spoofed pointer event should have pressure as 0.0 if it is not in a active buttons state.");
+    } else {
+      is(aEvent.pressure, 0.5,
+         "The spoofed pointer event should have pressure as 0.5 if it is in a active buttons state.");
+    }
+    is(aEvent.tangentialPressure, 0, "The spoofed pointer event should always have tangentialPressure as 0.");
+    is(aEvent.tiltX, 0, "The spoofed pointer event should always have tiltX as 0.");
+    is(aEvent.tiltY, 0, "The spoofed pointer event should always have tiltY as 0.");
+    is(aEvent.twist, 0, "The spoofed pointer event should always have twist as 0.");
+    is(aEvent.pointerType, "mouse", "The spoofed pointer event should always has mouse pointerType.");
+    is(aEvent.isPrimary, true, "The spoofed pointer event should only receive primary pointer events.");
+  }
+
+  // A helper function to create a promise for waiting the event.
+  function promiseForEvent(aEventType, aCheckFunc) {
+    return new Promise(resolve => {
+      target0.addEventListener(aEventType, (event) => {
+        is(event.type, aEventType, "receive " + event.type + " on target0");
+        aCheckFunc(event);
+        resolve();
+      }, { once: true });
+    });
+  }
+
+  // A test for pointer events from touch interface.
+  async function doTestForTouchPointerEvent() {
+    let eventPromises = [
+      promiseForEvent("pointerover", checkPointerEvent),
+      promiseForEvent("pointerenter", checkPointerEvent),
+      promiseForEvent("pointerdown", checkPointerEvent),
+      promiseForEvent("pointermove", checkPointerEvent),
+      promiseForEvent("pointerup", checkPointerEvent),
+      promiseForEvent("pointerout", checkPointerEvent),
+      promiseForEvent("pointerleave", checkPointerEvent),
+    ];
+
+    synthesizeMouse(target0, 5, 5, { type: "mousedown", inputSource: MouseEvent.MOZ_SOURCE_TOUCH, pressure: 0.75 });
+    synthesizeMouse(target0, 5, 5, { type: "mousemove", inputSource: MouseEvent.MOZ_SOURCE_TOUCH, pressure: 0.75 });
+    synthesizeMouse(target0, 5, 5, { type: "mouseup", inputSource: MouseEvent.MOZ_SOURCE_TOUCH, pressure: 0.75 });
+
+    await Promise.all(eventPromises);
+  }
+
+  // A test for pointercancel event.
+  async function doTestForTouchPointerCancelEvent() {
+    let eventPromises = [
+      promiseForEvent("pointerover", checkPointerEvent),
+      promiseForEvent("pointerenter", checkPointerEvent),
+      promiseForEvent("pointerdown", checkPointerEvent),
+      promiseForEvent("pointermove", checkPointerEvent),
+      promiseForEvent("pointercancel", checkPointerEvent),
+      promiseForEvent("pointerout", checkPointerEvent),
+      promiseForEvent("pointerleave", checkPointerEvent),
+    ];
+
+    synthesizeTouch(target0, 5, 5, { type: "touchstart" });
+    synthesizeTouch(target0, 6, 6, { type: "touchmove" });
+    synthesizeTouch(target0, 6, 6, { type: "touchcancel" });
+
+    await Promise.all(eventPromises);
+  }
+
+  // A test for pointer events from pen interface.
+  async function doTestForPenPointerEvent() {
+    let eventPromises = [
+      promiseForEvent("pointerover", checkPointerEvent),
+      promiseForEvent("pointerenter", checkPointerEvent),
+      promiseForEvent("pointerdown", checkPointerEvent),
+      promiseForEvent("pointermove", checkPointerEvent),
+      promiseForEvent("pointerup", checkPointerEvent),
+      promiseForEvent("pointerout", checkPointerEvent),
+      promiseForEvent("pointerleave", checkPointerEvent),
+    ];
+
+    synthesizeMouse(target0, 5, 5, { type: "mousedown", inputSource: MouseEvent.MOZ_SOURCE_PEN });
+    synthesizeMouse(target0, 5, 5, { type: "mousemove", inputSource: MouseEvent.MOZ_SOURCE_PEN });
+    synthesizeMouse(target0, 5, 5, { type: "mouseup", inputSource: MouseEvent.MOZ_SOURCE_PEN });
+    synthesizeMouse(target1, 5, 5, { type: "mousemove", inputSource: MouseEvent.MOZ_SOURCE_PEN });
+
+    await Promise.all(eventPromises);
+  }
+
+  // A test for gotpointercapture and lostpointercapture events.
+  // We would also test releasePointerCapture for only accepting spoofed pointer
+  // Id here.
+  async function doTestForPointerCapture() {
+    // We test for both mouse and touch to see whether the capture events are
+    // filed properly. We don't check pen here since it won't file capture
+    // events.
+    let inputSources = [ MouseEvent.MOZ_SOURCE_MOUSE,
+                         MouseEvent.MOZ_SOURCE_TOUCH ];
+
+    for (let inputSource of inputSources) {
+      function eventHandler(event) {
+        checkPointerEvent(event);
+        if (event.type === "pointerdown") {
+          target0.setPointerCapture(event.pointerId);
+        } else if (event.type === "pointermove") {
+          if (inputSource === MouseEvent.MOZ_SOURCE_TOUCH) {
+            try {
+              target0.releasePointerCapture(utils.DEFAULT_TOUCH_POINTER_ID);
+              ok(false, "The releasePointerCapture should fail here, but it is not.");
+            } catch (e) {
+              ok(true, "The releasePointerCapture fails properly.");
+            }
+          }
+          target0.releasePointerCapture(event.pointerId);
+        }
+      }
+
+      let eventPromises = [
+        promiseForEvent("pointerover", eventHandler),
+        promiseForEvent("pointerenter", eventHandler),
+        promiseForEvent("pointerdown", eventHandler),
+        promiseForEvent("gotpointercapture", eventHandler),
+        promiseForEvent("pointermove", eventHandler),
+        promiseForEvent("lostpointercapture", eventHandler),
+        promiseForEvent("pointerup", eventHandler),
+        promiseForEvent("pointerout", eventHandler),
+        promiseForEvent("pointerleave", eventHandler),
+      ];
+
+      synthesizeMouse(target0, 5, 5, { type: "mousedown", inputSource });
+      synthesizeMouse(target0, 5, 5, { type: "mousemove", inputSource });
+      synthesizeMouse(target0, 5, 5, { type: "mouseup", inputSource });
+      synthesizeMouse(target1, 5, 5, { type: "mousemove", inputSource });
+
+      await Promise.all(eventPromises);
+    }
+  }
+
+  // A test for setPointerCapture() for only accepting spoofed pointer id.
+  async function doTestForSetPointerCapture() {
+    function eventHandler(event) {
+      checkPointerEvent(event);
+      if (event.type === "pointerdown") {
+        try {
+          target0.setPointerCapture(utils.DEFAULT_TOUCH_POINTER_ID);
+          ok(false, "The setPointerCapture should fail here, but it is not.");
+        } catch (e) {
+          ok(true, "The setPointerCapture fails properly.");
+        }
+      }
+    }
+
+    let eventPromises = [
+      promiseForEvent("pointerover", eventHandler),
+      promiseForEvent("pointerenter", eventHandler),
+      promiseForEvent("pointerdown", eventHandler),
+      promiseForEvent("pointermove", eventHandler),
+      promiseForEvent("pointerup", eventHandler),
+      promiseForEvent("pointerout", eventHandler),
+      promiseForEvent("pointerleave", eventHandler),
+    ];
+
+    synthesizeMouse(target0, 5, 5, { type: "mousedown", inputSource: MouseEvent.MOZ_SOURCE_TOUCH });
+    synthesizeMouse(target0, 5, 5, { type: "mousemove", inputSource: MouseEvent.MOZ_SOURCE_TOUCH });
+    synthesizeMouse(target0, 5, 5, { type: "mouseup", inputSource: MouseEvent.MOZ_SOURCE_TOUCH });
+
+    await Promise.all(eventPromises);
+  }
+
+  // A test for assuring that script generated events won't be spoofed.
+  function doTestNoSpoofingForScriptGeneratedEvent() {
+    return new Promise(resolve => {
+      // Generate a custom pointer event by script.
+      let pointerEventCustom = new PointerEvent("pointerover", {
+        pointerId: utils.DEFAULT_TOUCH_POINTER_ID,
+        pointerType: "touch",
+        width: 5,
+        height: 5,
+        pressure: 0.75,
+        tangentialPressure: 0.5,
+        isPrimary: false,
+      });
+
+      target0.addEventListener("pointerover", (event) => {
+        // Check that script generated event is not spoofed.
+        is(event.pointerType, "touch", "The pointerEvent.pointerType is not spoofed.");
+        is(event.width, 5, "The pointerEvent.width is not spoofed.");
+        is(event.height, 5, "The pointerEvent.height is not spoofed.");
+        is(event.pressure, 0.75, "The pointerEvent.pressure is not spoofed.");
+        is(event.tangentialPressure, 0.5, "The pointerEvent.tangentialPressure is not spoofed.");
+        is(event.isPrimary, false, "The pointerEvent.isPrimary is not spoofed.");
+        resolve();
+      }, { once: true });
+
+      target0.dispatchEvent(pointerEventCustom);
+    });
+  }
+
+  async function doTests() {
+    await doTestForTouchPointerEvent();
+    await doTestForTouchPointerCancelEvent();
+    await doTestForPenPointerEvent();
+    await doTestForPointerCapture();
+    await doTestForSetPointerCapture();
+    await doTestNoSpoofingForScriptGeneratedEvent();
+
+    SimpleTest.finish();
+  }
+
+  SimpleTest.waitForFocus(() => {
+    SpecialPowers.pushPrefEnv({"set": [["privacy.resistFingerprinting", true]]},
+                              doTests);
+  });
+
+</script>
+</body>
+</html>
diff --git a/browser/components/resistfingerprinting/test/mochitest/test_speech_synthesis.html b/browser/components/resistfingerprinting/test/mochitest/test_speech_synthesis.html
new file mode 100644
index 0000000000..a1778a0a0d
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/test_speech_synthesis.html
@@ -0,0 +1,105 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1333641
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1333641</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+  <script type="application/javascript">
+
+  /** Test for Bug 1333641 */
+  SimpleTest.waitForExplicitFinish();
+  window.onload = setupSpeechSynthesis;
+
+  // This function setup the speechSynthesis and flip 'privacy.resistFingerprinting'
+  // after it has been setup correctly.
+  function setupSpeechSynthesis() {
+    window.speechSynthesis.addEventListener("voiceschanged", () => {
+      isnot(window.speechSynthesis.getVoices().length, 0, "Voices added");
+      SimpleTest.waitForFocus(() => {
+        SpecialPowers.pushPrefEnv({"set":
+          [["privacy.resistFingerprinting", true]],
+        }, doGetVoicesTest);
+      }, window);
+    }, {once: true});
+
+    is(window.speechSynthesis.getVoices().length, 0, "No voices added initially");
+  }
+
+  function doGetVoicesTest() {
+    is(window.speechSynthesis.getVoices().length, 0,
+       "There should be no voices after fingerprinting resistance is enabled.");
+    doVoiceschangedEventTest();
+  }
+
+  function doVoiceschangedEventTest() {
+    window.speechSynthesis.addEventListener("voiceschanged", () => {
+      ok(false, "The voiceschanged event should not be fired.");
+      doSpeakTestAsync();
+    }, {once: true});
+
+    window.addEventListener("TestEvent", () => {
+      // If we receive this event without receiving a 'voiceschanged' event, this means
+      // the voiceschanged event has been blocked correctly.
+      ok(true, "Got the 'TestEvent' event.");
+      doSpeakTestAsync();
+    }, {once: true});
+
+    // Notify 'synth-voices-changed' for triggering the voiceschanged event.
+    SpecialPowers.Services.obs.notifyObservers(null, "synth-voices-changed");
+    window.dispatchEvent(new CustomEvent("TestEvent"));
+  }
+
+  // This tests Speak() and its asynchronousness.
+  function doSpeakTestAsync() {
+    // For non-e10s, this test will always fail since the event will be triggered immediately
+    // after speak() is called. So, new added events after speak() won't be called. We skip
+    // this test if it is non-e10s.
+    if (SpecialPowers.Services.appinfo.browserTabsRemoteAutostart) {
+      let utterance = new window.SpeechSynthesisUtterance("Hello, world!");
+      window.speechSynthesis.speak(utterance);
+
+      utterance.addEventListener("start", () => {
+        ok(false, "speechSynthesis should not start speaking if fingerprinting resistance is enabled.");
+        doSpeakTestSync();
+      }, {once: true});
+
+      utterance.addEventListener("error", () => {
+        ok(true, "speechSynthesis.speak should fail if fingerprinting resistance is enabled.");
+        doSpeakTestSync();
+      }, {once: true});
+    } else {
+      doSpeakTestSync();
+    }
+  }
+
+  // This tests Speak() and its synchronousness.
+  function doSpeakTestSync() {
+    let utterance = new window.SpeechSynthesisUtterance("Hello, world!");
+    utterance.addEventListener("start", () => {
+      ok(false, "speechSynthesis should not start speaking if fingerprinting resistance is enabled.");
+      SimpleTest.finish();
+    }, {once: true});
+
+    utterance.addEventListener("error", () => {
+      ok(true, "speechSynthesis.speak should fail if fingerprinting resistance is enabled.");
+      SimpleTest.finish();
+    }, {once: true});
+
+    window.speechSynthesis.speak(utterance);
+  }
+
+  </script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test"></pre>
+</body>
+</html>
diff --git a/browser/components/resistfingerprinting/test/mochitest/worker_child.js b/browser/components/resistfingerprinting/test/mochitest/worker_child.js
new file mode 100644
index 0000000000..fa340fc652
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/worker_child.js
@@ -0,0 +1,28 @@
+let timeStampCodes;
+let worker = new Worker("worker_grandchild.js");
+
+function listenToParent(event) {
+  self.removeEventListener("message", listenToParent);
+  timeStampCodes = event.data;
+
+  let timeStamps = [];
+  for (let timeStampCode of timeStampCodes) {
+    timeStamps.push(eval(timeStampCode));
+  }
+  // Send the timeStamps to the parent.
+  postMessage(timeStamps);
+
+  // Tell the grandchild to start.
+  worker.postMessage(timeStampCodes);
+}
+
+// The worker grandchild will send results back.
+function listenToChild(event) {
+  worker.removeEventListener("message", listenToChild);
+  // Pass the results to the parent.
+  postMessage(event.data);
+  worker.terminate();
+}
+
+worker.addEventListener("message", listenToChild);
+self.addEventListener("message", listenToParent);
diff --git a/browser/components/resistfingerprinting/test/mochitest/worker_grandchild.js b/browser/components/resistfingerprinting/test/mochitest/worker_grandchild.js
new file mode 100644
index 0000000000..ef9940d7ab
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/worker_grandchild.js
@@ -0,0 +1,10 @@
+self.addEventListener("message", function (event) {
+  let timeStampCodes = event.data;
+
+  let timeStamps = [];
+  for (let timeStampCode of timeStampCodes) {
+    timeStamps.push(eval(timeStampCode));
+  }
+  // Send the timeStamps to the parent.
+  postMessage(timeStamps);
+});
-- 
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