Issue #439 - Remove tests from toolkit/

19 files changed, 8 insertions, 1271 deletions

diff --git a/toolkit/components/perfmonitoring/moz.build b/toolkit/components/perfmonitoring/moz.build
index 1effe5f00..53c73803e 100644
--- a/toolkit/components/perfmonitoring/moz.build
+++ b/toolkit/components/perfmonitoring/moz.build
@@ -4,10 +4,16 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-BROWSER_CHROME_MANIFESTS += ['tests/browser/browser.ini']
-
 XPIDL_MODULE = 'toolkit_perfmonitoring'
 
+XPIDL_SOURCES += ['nsIPerformanceStats.idl']
+
+EXPORTS += ['nsPerformanceStats.h']
+
+LOCAL_INCLUDES += ['/dom/base']
+
+UNIFIED_SOURCES += ['nsPerformanceStats.cpp']
+
 EXTRA_JS_MODULES += [
     'AddonWatcher.jsm',
     'PerformanceStats-content.js',
@@ -16,20 +22,4 @@ EXTRA_JS_MODULES += [
     'PerformanceWatcher.jsm',
 ]
 
-XPIDL_SOURCES += [
-    'nsIPerformanceStats.idl',
-]
-
-UNIFIED_SOURCES += [
-    'nsPerformanceStats.cpp'
-]
-
-EXPORTS += [
-    'nsPerformanceStats.h'
-]
-
-LOCAL_INCLUDES += [
-    '/dom/base',
-]
-
 FINAL_LIBRARY = 'xul'
diff --git a/toolkit/components/perfmonitoring/tests/browser/.eslintrc.js b/toolkit/components/perfmonitoring/tests/browser/.eslintrc.js
deleted file mode 100644
index 7c8021192..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/.eslintrc.js
+++ /dev/null
@@ -1,7 +0,0 @@
-"use strict";
-
-module.exports = {
-  "extends": [
-    "../../../../../testing/mochitest/browser.eslintrc.js"
-  ]
-};
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser.ini b/toolkit/components/perfmonitoring/tests/browser/browser.ini
deleted file mode 100644
index 7f4ac8514..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser.ini
+++ /dev/null
@@ -1,15 +0,0 @@
-[DEFAULT]
-head = head.js
-tags = addons
-support-files =
-  browser_Addons_sample.xpi
-  browser_compartments.html
-  browser_compartments_frame.html
-  browser_compartments_script.js
-
-[browser_AddonWatcher.js]
-[browser_compartments.js]
-skip-if = os == "linux" && !debug && e10s # Bug 1230018
-[browser_addonPerformanceAlerts.js]
-[browser_addonPerformanceAlerts_2.js]
-[browser_webpagePerformanceAlerts.js]
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_AddonWatcher.js b/toolkit/components/perfmonitoring/tests/browser/browser_AddonWatcher.js
deleted file mode 100644
index b4e80faa7..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_AddonWatcher.js
+++ /dev/null
@@ -1,151 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-// Tests for AddonWatcher.jsm
-
-"use strict";
-
-requestLongerTimeout(2);
-
-Cu.import("resource://gre/modules/Promise.jsm", this);
-Cu.import("resource://gre/modules/AddonManager.jsm", this);
-Cu.import("resource://gre/modules/Services.jsm", this);
-
-const ADDON_URL = "http://example.com/browser/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample.xpi";
-const ADDON_ID = "addonwatcher-test@mozilla.com";
-
-add_task(function* init() {
-  info("Installing test add-on");
-  let installer = yield new Promise(resolve => AddonManager.getInstallForURL(ADDON_URL, resolve, "application/x-xpinstall"));
-  if (installer.error) {
-    throw installer.error;
-  }
-  let installed = new Promise((resolve, reject) => installer.addListener({
-    onInstallEnded: (_, addon) => resolve(addon),
-    onInstallFailed: reject,
-    onDownloadFailed: reject
-  }));
-
-  // We also need to wait for the add-on to report that it's ready
-  // to be used in the test.
-  let ready = TestUtils.topicObserved("test-addonwatcher-ready");
-  installer.install();
-
-  info("Waiting for installation to terminate");
-  let addon = yield installed;
-
-  yield ready;
-
-  registerCleanupFunction(() => {
-    info("Uninstalling test add-on");
-    addon.uninstall()
-  });
-
-  Preferences.set("browser.addon-watch.warmup-ms", 0);
-  Preferences.set("browser.addon-watch.freeze-threshold-micros", 0);
-  Preferences.set("browser.addon-watch.jank-threshold-micros", 0);
-  Preferences.set("browser.addon-watch.occurrences-between-alerts", 0);
-  Preferences.set("browser.addon-watch.delay-between-alerts-ms", 0);
-  Preferences.set("browser.addon-watch.delay-between-freeze-alerts-ms", 0);
-  Preferences.set("browser.addon-watch.max-simultaneous-reports", 10000);
-  Preferences.set("browser.addon-watch.deactivate-after-idle-ms", 100000000);
-  registerCleanupFunction(() => {
-    for (let k of [
-      "browser.addon-watch.warmup-ms",
-      "browser.addon-watch.freeze-threshold-micros",
-      "browser.addon-watch.jank-threshold-micros",
-      "browser.addon-watch.occurrences-between-alerts",
-      "browser.addon-watch.delay-between-alerts-ms",
-      "browser.addon-watch.delay-between-freeze-alerts-ms",
-      "browser.addon-watch.max-simultaneous-reports",
-      "browser.addon-watch.deactivate-after-idle-ms"
-    ]) {
-      Preferences.reset(k);
-    }
-  });
-
-  let oldCanRecord = Services.telemetry.canRecordExtended;
-  Services.telemetry.canRecordExtended = true;
-  AddonWatcher.init();
-
-  registerCleanupFunction(function () {
-    AddonWatcher.paused = true;
-    Services.telemetry.canRecordExtended = oldCanRecord;
-  });
-});
-
-// Utility function to burn some resource, trigger a reaction of the add-on watcher
-// and check both its notification and telemetry.
-let burn_rubber = Task.async(function*({histogramName, topic, expectedMinSum}) {
-  let detected = false;
-  let observer = (_, topic, id) => {
-    Assert.equal(id, ADDON_ID, "The add-on watcher has detected the misbehaving addon");
-    detected = true;
-  };
-
-  try {
-    info("Preparing add-on watcher");
-
-    Services.obs.addObserver(observer, AddonWatcher.TOPIC_SLOW_ADDON_DETECTED, false);
-
-    let histogram = Services.telemetry.getKeyedHistogramById(histogramName);
-    histogram.clear();
-    let snap1 = histogram.snapshot(ADDON_ID);
-    Assert.equal(snap1.sum, 0, `Histogram ${histogramName} is initially empty for the add-on`);
-
-    let histogramUpdated = false;
-    do {
-      info(`Burning some CPU with ${topic}. This should cause an add-on watcher notification`);
-      yield new Promise(resolve => setTimeout(resolve, 100));
-      Services.obs.notifyObservers(null, topic, "");
-      yield new Promise(resolve => setTimeout(resolve, 100));
-
-      let snap2 = histogram.snapshot(ADDON_ID);
-      histogramUpdated = snap2.sum > 0;
-      info(`For the moment, histogram ${histogramName} shows ${snap2.sum} => ${histogramUpdated}`);
-      info(`For the moment, we have ${detected?"":"NOT "}detected the slow add-on`);
-    } while (!histogramUpdated || !detected);
-
-    let snap3 = histogram.snapshot(ADDON_ID);
-    Assert.ok(snap3.sum >= expectedMinSum, `Histogram ${histogramName} recorded a gravity of ${snap3.sum}, expecting at least ${expectedMinSum}.`);
-  } finally {
-    Services.obs.removeObserver(observer, AddonWatcher.TOPIC_SLOW_ADDON_DETECTED);
-  }
-});
-
-// Test that burning CPU will cause the add-on watcher to notice that
-// the add-on is misbehaving.
-add_task(function* test_burn_CPU() {
-  yield burn_rubber({
-    histogramName: "PERF_MONITORING_SLOW_ADDON_JANK_US",
-    topic: "test-addonwatcher-burn-some-cpu",
-    expectedMinSum: 7,
-  });
-});
-
-// Test that burning content CPU will cause the add-on watcher to notice that
-// the add-on is misbehaving.
-/*
-Blocked by bug 1227283.
-add_task(function* test_burn_content_CPU() {
-  yield burn_rubber({
-    histogramName: "PERF_MONITORING_SLOW_ADDON_JANK_US",
-    topic: "test-addonwatcher-burn-some-content-cpu",
-    expectedMinSum: 7,
-  });
-});
-*/
-
-// Test that burning CPOW will cause the add-on watcher to notice that
-// the add-on is misbehaving.
-add_task(function* test_burn_CPOW() {
-  if (!gMultiProcessBrowser) {
-    info("This is a single-process Firefox, we can't test for CPOW");
-    return;
-  }
-  yield burn_rubber({
-    histogramName: "PERF_MONITORING_SLOW_ADDON_CPOW_US",
-    topic: "test-addonwatcher-burn-some-cpow",
-    expectedMinSum: 400,
-  });
-});
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample.xpi b/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample.xpi
deleted file mode 100644
index ae5bcc5ff..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample.xpi
+++ /dev/null
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/bootstrap.js b/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/bootstrap.js
deleted file mode 100644
index 9a5575827..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/bootstrap.js
+++ /dev/null
@@ -1,105 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-// Sample for browser_AddonWatcher.js
-
-"use strict";
-
-const {utils: Cu, classes: Cc, interfaces: Ci} = Components;
-
-const TOPIC_BURNCPU = "test-addonwatcher-burn-some-cpu";
-const TOPIC_BURNCPOW = "test-addonwatcher-burn-some-cpow";
-const TOPIC_BURNCONTENTCPU = "test-addonwatcher-burn-some-content-cpu";
-const TOPIC_READY = "test-addonwatcher-ready";
-
-const MESSAGE_BURNCPOW = "test-addonwatcher-cpow:init";
-const URL_FRAMESCRIPT = "chrome://addonwatcher-test/content/framescript.js";
-
-Cu.import("resource://gre/modules/Services.jsm", this);
-const { setTimeout } = Cu.import("resource://gre/modules/Timer.jsm", {});
-Cu.import("resource://gre/modules/Task.jsm", this);
-
-let globalMM = Cc["@mozilla.org/globalmessagemanager;1"]
-  .getService(Ci.nsIMessageListenerManager);
-
-/**
- * Spend some time using CPU.
- */
-function burnCPU() {
-  let ignored = [];
-  let start = Date.now();
-  let i = 0;
-  while (Date.now() - start < 1000) {
-    ignored[i++ % 2] = i;
-  }
-}
-
-/**
- * Spend some time in CPOW.
- */
-function burnCPOW() {
-  gBurnCPOW();
-}
-let gBurnCPOW = null;
-
-function burnContentCPU() {
-  setTimeout(() => { try {
-    gBurnContentCPU()
-  } catch (ex) {
-    dump(`test-addon error: ${ex}\n`);
-  } }, 0);
-}
-let gBurnContentCPU = null;
-
-let gTab = null;
-let gTabBrowser = null;
-
-function startup() {
-  Services.obs.addObserver(burnCPU, TOPIC_BURNCPU, false);
-  Services.obs.addObserver(burnCPOW, TOPIC_BURNCPOW, false);
-  Services.obs.addObserver(burnContentCPU, TOPIC_BURNCONTENTCPU, false);
-
-  let windows = Services.wm.getEnumerator("navigator:browser");
-  let win = windows.getNext();
-  gTabBrowser = win.gBrowser;
-  gTab = gTabBrowser.addTab("about:robots");
-  gBurnContentCPU = function() {
-    gTab.linkedBrowser.messageManager.sendAsyncMessage("test-addonwatcher-burn-some-content-cpu", {});
-  }
-
-  gTab.linkedBrowser.messageManager.loadFrameScript(URL_FRAMESCRIPT, false);
-  globalMM.loadFrameScript(URL_FRAMESCRIPT, false);
-
-  if (Services.appinfo.browserTabsRemoteAutostart) {
-    // This profile has e10s enabled, which means we'll want to
-    // test CPOW traffic.
-    globalMM.addMessageListener("test-addonwatcher-cpow:init", function waitForCPOW(msg) {
-      if (Components.utils.isCrossProcessWrapper(msg.objects.burnCPOW)) {
-        gBurnCPOW = msg.objects.burnCPOW;
-        globalMM.removeMessageListener("test-addonwatcher-cpow:init", waitForCPOW);
-        Services.obs.notifyObservers(null, TOPIC_READY, null);
-      } else {
-        Cu.reportError("test-addonwatcher-cpow:init didn't give us a CPOW! Expect timeouts.");
-      }
-    });
-  } else {
-    // e10s is not enabled, so a CPOW is not necessary - we can report ready
-    // right away.
-    Services.obs.notifyObservers(null, TOPIC_READY, null);
-  }
-}
-
-function shutdown() {
-  Services.obs.removeObserver(burnCPU, TOPIC_BURNCPU);
-  Services.obs.removeObserver(burnCPOW, TOPIC_BURNCPOW);
-  Services.obs.removeObserver(burnContentCPU, TOPIC_BURNCONTENTCPU);
-  gTabBrowser.removeTab(gTab);
-}
-
-function install() {
-  // Nothing to do
-}
-
-function uninstall() {
-  // Nothing to do
-}
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/build.sh b/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/build.sh
deleted file mode 100644
index 28d52ea3a..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/build.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-echo "Rebuilding browser_Addons_sample.xpi..."
-zip -r ../browser_Addons_sample.xpi .
-echo "
-Done! Don't forget to sign it: https://wiki.mozilla.org/EngineeringProductivity/HowTo/SignExtensions"
\ No newline at end of file
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/chrome.manifest b/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/chrome.manifest
deleted file mode 100644
index 9f53da861..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/chrome.manifest
+++ /dev/null
@@ -1 +0,0 @@
-content addonwatcher-test content/
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/content/framescript.js b/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/content/framescript.js
deleted file mode 100644
index e7ebc2a61..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/content/framescript.js
+++ /dev/null
@@ -1,23 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-Components.utils.import("resource://gre/modules/Services.jsm");
-
-function burnCPOW(msg) {
-  dump(`Addon: content burnCPU start ${Math.sin(Math.random())}\n`);
-  let start = content.performance.now();
-  let ignored = [];
-  while (content.performance.now() - start < 5000) {
-    ignored[ignored.length % 2] = ignored.length;
-  }
-  dump(`Addon: content burnCPU done: ${content.performance.now() - start}\n`);
-}
-
-if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
-  sendAsyncMessage("test-addonwatcher-cpow:init", {}, {burnCPOW});
-}
-
-addMessageListener("test-addonwatcher-burn-some-content-cpu", burnCPOW);
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/install.rdf b/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/install.rdf
deleted file mode 100644
index cae10ace6..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/install.rdf
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
-  <Description about="urn:mozilla:install-manifest">
-    <em:id>addonwatcher-test@mozilla.com</em:id>
-    <em:version>1.1</em:version>
-
-    <em:targetApplication>
-      <Description>
-        <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
-        <em:minVersion>0.3</em:minVersion>
-        <em:maxVersion>*</em:maxVersion>
-      </Description>
-    </em:targetApplication>
-
-    <em:targetApplication>
-     <Description>
-      <em:id>toolkit@mozilla.org</em:id>
-      <em:minVersion>1</em:minVersion>
-      <em:maxVersion>*</em:maxVersion>
-     </Description>
-    </em:targetApplication>
-
-    <em:bootstrap>true</em:bootstrap>
-
-    <em:name>Sample for browser_AddonWatcher.js</em:name>
-
-  </Description>
-</RDF>
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_addonPerformanceAlerts.js b/toolkit/components/perfmonitoring/tests/browser/browser_addonPerformanceAlerts.js
deleted file mode 100644
index af78f0074..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_addonPerformanceAlerts.js
+++ /dev/null
@@ -1,91 +0,0 @@
-"use strict";
-
-/**
- * Tests for PerformanceWatcher watching slow addons.
- */
-
-add_task(function* init() {
-  // Get rid of buffering.
-  let service = Cc["@mozilla.org/toolkit/performance-stats-service;1"].getService(
-    Ci.nsIPerformanceStatsService);
-  let oldDelay = service.jankAlertBufferingDelay;
-
-  service.jankAlertBufferingDelay = 0 /* ms */;
-  registerCleanupFunction(() => {
-    info("Cleanup");
-    service.jankAlertBufferingDelay = oldDelay;
-  });
-});
-
-add_task(function* test_install_addon_then_watch_it() {
-  for (let topic of ["burnCPU", "promiseBurnContentCPU", "promiseBurnCPOW"]) {
-    info(`Starting subtest ${topic}`);
-    info("Spawning fake add-on, making sure that the compartment is initialized");
-    let addon = new AddonBurner();
-    yield addon.promiseInitialized;
-    addon.burnCPU();
-
-    info(`Check that burning CPU triggers the real listener, but not the fake listener ${topic}`);
-    let realListener = new AddonListener(addon.addonId, (group, details) => {
-      if (group.addonId == addon.addonId) {
-        return details.highestJank;
-      }
-      throw new Error(`I shouldn't have been called with addon ${group.addonId}`);
-    });
-    let fakeListener = new AddonListener(addon.addonId + "-fake-" + Math.random(), group => true); // This listener should never be triggered.
-    let universalListener = new AddonListener("*", alerts => {
-      info(`AddonListener: received alerts ${JSON.stringify(alerts)}`);
-      let alert = alerts.find(({source}) => {
-        return source.addonId == addon.addonId;
-      });
-      if (alert) {
-        info(`AddonListener: I found an alert for ${addon.addonId}`);
-        return alert.details.highestJank;
-      }
-      info(`AddonListener: I didn't find any alert for ${addon.addonId}`);
-      return null;
-    });
-
-    // Waiting a little – listeners are buffered.
-    yield new Promise(resolve => setTimeout(resolve, 100));
-    yield addon.run(topic, 10, realListener);
-    // Waiting a little – listeners are buffered.
-    yield new Promise(resolve => setTimeout(resolve, 100));
-
-    Assert.ok(realListener.triggered, `1. The real listener was triggered ${topic}`);
-    Assert.ok(universalListener.triggered, `1. The universal listener was triggered ${topic}`);
-    Assert.ok(!fakeListener.triggered, `1. The fake listener was not triggered ${topic}`);
-    Assert.ok(realListener.result >= addon.jankThreshold, `1. jank is at least ${addon.jankThreshold/1000}ms (${realListener.result/1000}ms) ${topic}`);
-
-    info(`Attempting to remove a performance listener incorrectly, check that this does not hurt our real listener ${topic}`);
-    Assert.throws(() => PerformanceWatcher.removePerformanceListener({addonId: addon.addonId}, () => {}));
-    Assert.throws(() => PerformanceWatcher.removePerformanceListener({addonId: addon.addonId + "-unbound-id-" + Math.random()}, realListener.listener));
-
-    yield addon.run(topic, 10, realListener);
-    // Waiting a little – listeners are buffered.
-    yield new Promise(resolve => setTimeout(resolve, 300));
-
-    Assert.ok(realListener.triggered, `2. The real listener was triggered ${topic}`);
-    Assert.ok(universalListener.triggered, `2. The universal listener was triggered ${topic}`);
-    Assert.ok(!fakeListener.triggered, `2. The fake listener was not triggered ${topic}`);
-    Assert.ok(realListener.result >= 200000, `2. jank is at least 300ms (${realListener.result/1000}ms) ${topic}`);
-
-    info(`Attempting to remove correctly, check if the listener is still triggered ${topic}`);
-    realListener.unregister();
-    yield addon.run(topic, 3, realListener);
-    Assert.ok(!realListener.triggered, `3. After being unregistered, the real listener was not triggered ${topic}`);
-    Assert.ok(universalListener.triggered, `3. The universal listener is still triggered ${topic}`);
-
-    info("Unregistering universal listener");
-    // Waiting a little – listeners are buffered.
-    yield new Promise(resolve => setTimeout(resolve, 100));
-    universalListener.unregister();
-    // Waiting a little – listeners are buffered.
-    yield new Promise(resolve => setTimeout(resolve, 100));
-    yield addon.run(topic, 3, realListener);
-    Assert.ok(!universalListener.triggered, `4. After being unregistered, the universal listener is not triggered ${topic}`);
-
-    fakeListener.unregister();
-    addon.dispose();
-  }
-});
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_addonPerformanceAlerts_2.js b/toolkit/components/perfmonitoring/tests/browser/browser_addonPerformanceAlerts_2.js
deleted file mode 100644
index d39c38b1f..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_addonPerformanceAlerts_2.js
+++ /dev/null
@@ -1,25 +0,0 @@
-"use strict";
-
-/**
- * Tests for PerformanceWatcher watching slow addons.
- */
-
-add_task(function* test_watch_addon_then_install_it() {
-  for (let topic of ["burnCPU", "promiseBurnContentCPU", "promiseBurnCPOW"]) {
-    let addonId = "addon:test_watch_addons_before_installing" + Math.random();
-    let realListener = new AddonListener(addonId, (group, details) => {
-      if (group.addonId == addonId) {
-        return details.highestJank;
-      }
-      throw new Error(`I shouldn't have been called with addon ${group.addonId}`);
-    });
-
-    info("Now install the add-on, *after* having installed the listener");
-    let addon = new AddonBurner(addonId);
-
-    Assert.ok((yield addon.run(topic, 10, realListener)), `5. The real listener was triggered ${topic}`);
-    Assert.ok(realListener.result >= addon.jankThreshold, `5. jank is at least ${addon.jankThreshold/1000}ms (${realListener.result}µs) ${topic}`);
-    realListener.unregister();
-    addon.dispose();
-  }
-});
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_compartments.html b/toolkit/components/perfmonitoring/tests/browser/browser_compartments.html
deleted file mode 100644
index d7ee6c418..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_compartments.html
+++ /dev/null
@@ -1,20 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <title>
-    Main frame for test browser_compartments.js
-  </title>
-</head>
-<body>
-Main frame.
-
-<iframe src="browser_compartments_frame.html?frame=1">
-  Subframe 1
-</iframe>
-
-<iframe src="browser_compartments_frame.html?frame=2">
-  Subframe 2.
-</iframe>
-
-</body>
-</html>
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_compartments.js b/toolkit/components/perfmonitoring/tests/browser/browser_compartments.js
deleted file mode 100644
index f04fefb33..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_compartments.js
+++ /dev/null
@@ -1,312 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-"use strict";
-
-/**
- * Test that we see jank that takes place in a webpage,
- * and that jank from several iframes are actually charged
- * to the top window.
- */
-Cu.import("resource://gre/modules/PerformanceStats.jsm", this);
-Cu.import("resource://gre/modules/Services.jsm", this);
-Cu.import("resource://testing-common/ContentTask.jsm", this);
-
-
-const URL = "http://example.com/browser/toolkit/components/perfmonitoring/tests/browser/browser_compartments.html?test=" + Math.random();
-const PARENT_TITLE = `Main frame for test browser_compartments.js ${Math.random()}`;
-const FRAME_TITLE = `Subframe for test browser_compartments.js ${Math.random()}`;
-
-const PARENT_PID = Services.appinfo.processID;
-
-// This function is injected as source as a frameScript
-function frameScript() {
-  try {
-    "use strict";
-
-    const { utils: Cu, classes: Cc, interfaces: Ci } = Components;
-    Cu.import("resource://gre/modules/PerformanceStats.jsm");
-    Cu.import("resource://gre/modules/Services.jsm");
-
-    // Make sure that the stopwatch is now active.
-    let monitor = PerformanceStats.getMonitor(["jank", "cpow", "ticks", "compartments"]);
-
-    addMessageListener("compartments-test:getStatistics", () => {
-      try {
-        monitor.promiseSnapshot().then(snapshot => {
-          sendAsyncMessage("compartments-test:getStatistics", {snapshot, pid: Services.appinfo.processID});
-        });
-      } catch (ex) {
-        Cu.reportError("Error in content (getStatistics): " + ex);
-        Cu.reportError(ex.stack);
-      }
-    });
-
-    addMessageListener("compartments-test:setTitles", titles => {
-      try {
-        content.document.title = titles.data.parent;
-        for (let i = 0; i < content.frames.length; ++i) {
-          content.frames[i].postMessage({title: titles.data.frames}, "*");
-        }
-        console.log("content", "Done setting titles", content.document.title);
-        sendAsyncMessage("compartments-test:setTitles");
-      } catch (ex) {
-        Cu.reportError("Error in content (setTitles): " + ex);
-        Cu.reportError(ex.stack);
-      }
-    });
-  } catch (ex) {
-    Cu.reportError("Error in content (setup): " + ex);
-    Cu.reportError(ex.stack);
-  }
-}
-
-// A variant of `Assert` that doesn't spam the logs
-// in case of success.
-var SilentAssert = {
-  equal: function(a, b, msg) {
-    if (a == b) {
-      return;
-    }
-    Assert.equal(a, b, msg);
-  },
-  notEqual: function(a, b, msg) {
-    if (a != b) {
-      return;
-    }
-    Assert.notEqual(a, b, msg);
-  },
-  ok: function(a, msg) {
-    if (a) {
-      return;
-    }
-    Assert.ok(a, msg);
-  },
-  leq: function(a, b, msg) {
-    this.ok(a <= b, `${msg}: ${a} <= ${b}`);
-  }
-};
-
-var isShuttingDown = false;
-function monotinicity_tester(source, testName) {
-  // In the background, check invariants:
-  // - numeric data can only ever increase;
-  // - the name, addonId, isSystem of a component never changes;
-  // - the name, addonId, isSystem of the process data;
-  // - there is at most one component with a combination of `name` and `addonId`;
-  // - types, etc.
-  let previous = {
-    processData: null,
-    componentsMap: new Map(),
-  };
-
-  let sanityCheck = function(prev, next) {
-    if (prev == null) {
-      return;
-    }
-    for (let k of ["groupId", "addonId", "isSystem"]) {
-      SilentAssert.equal(prev[k], next[k], `Sanity check (${testName}): ${k} hasn't changed (${prev.name}).`);
-    }
-    for (let [probe, k] of [
-      ["jank", "totalUserTime"],
-      ["jank", "totalSystemTime"],
-      ["cpow", "totalCPOWTime"],
-      ["ticks", "ticks"]
-    ]) {
-      SilentAssert.equal(typeof next[probe][k], "number", `Sanity check (${testName}): ${k} is a number.`);
-      SilentAssert.leq(prev[probe][k], next[probe][k], `Sanity check (${testName}): ${k} is monotonic.`);
-      SilentAssert.leq(0, next[probe][k], `Sanity check (${testName}): ${k} is >= 0.`)
-    }
-    SilentAssert.equal(prev.jank.durations.length, next.jank.durations.length);
-    for (let i = 0; i < next.jank.durations.length; ++i) {
-      SilentAssert.ok(typeof next.jank.durations[i] == "number" && next.jank.durations[i] >= 0,
-        `Sanity check (${testName}): durations[${i}] is a non-negative number.`);
-      SilentAssert.leq(prev.jank.durations[i], next.jank.durations[i],
-        `Sanity check (${testName}): durations[${i}] is monotonic.`);
-    }
-    for (let i = 0; i < next.jank.durations.length - 1; ++i) {
-      SilentAssert.leq(next.jank.durations[i + 1], next.jank.durations[i],
-        `Sanity check (${testName}): durations[${i}] >= durations[${i + 1}].`)
-    }
-  };
-  let iteration = 0;
-  let frameCheck = Task.async(function*() {
-    if (isShuttingDown) {
-      window.clearInterval(interval);
-      return;
-    }
-    let name = `${testName}: ${iteration++}`;
-    let result = yield source();
-    if (!result) {
-      // This can happen at the end of the test when we attempt
-      // to communicate too late with the content process.
-      window.clearInterval(interval);
-      return;
-    }
-    let {pid, snapshot} = result;
-
-    // Sanity check on the process data.
-    sanityCheck(previous.processData, snapshot.processData);
-    SilentAssert.equal(snapshot.processData.isSystem, true);
-    SilentAssert.equal(snapshot.processData.name, "<process>");
-    SilentAssert.equal(snapshot.processData.addonId, "");
-    SilentAssert.equal(snapshot.processData.processId, pid);
-    previous.procesData = snapshot.processData;
-
-    // Sanity check on components data.
-    let map = new Map();
-    for (let item of snapshot.componentsData) {
-      for (let [probe, k] of [
-        ["jank", "totalUserTime"],
-        ["jank", "totalSystemTime"],
-        ["cpow", "totalCPOWTime"]
-      ]) {
-        // Note that we cannot expect components data to be always smaller
-        // than process data, as `getrusage` & co are not monotonic.
-        SilentAssert.leq(item[probe][k], 3 * snapshot.processData[probe][k],
-          `Sanity check (${name}): ${k} of component is not impossibly larger than that of process`);
-      }
-
-      let isCorrectPid = (item.processId == pid && !item.isChildProcess)
-        || (item.processId != pid && item.isChildProcess);
-      SilentAssert.ok(isCorrectPid, `Pid check (${name}): the item comes from the right process`);
-
-      let key = item.groupId;
-      if (map.has(key)) {
-        let old = map.get(key);
-        Assert.ok(false, `Component ${key} has already been seen. Latest: ${item.addonId||item.name}, previous: ${old.addonId||old.name}`);
-      }
-      map.set(key, item);
-    }
-    for (let item of snapshot.componentsData) {
-      if (!item.parentId) {
-        continue;
-      }
-      let parent = map.get(item.parentId);
-      SilentAssert.ok(parent, `The parent exists ${item.parentId}`);
-
-      for (let [probe, k] of [
-        ["jank", "totalUserTime"],
-        ["jank", "totalSystemTime"],
-        ["cpow", "totalCPOWTime"]
-      ]) {
-        // Note that we cannot expect components data to be always smaller
-        // than parent data, as `getrusage` & co are not monotonic.
-        SilentAssert.leq(item[probe][k], 2 * parent[probe][k],
-          `Sanity check (${testName}): ${k} of component is not impossibly larger than that of parent`);
-      }
-    }
-    for (let [key, item] of map) {
-      sanityCheck(previous.componentsMap.get(key), item);
-      previous.componentsMap.set(key, item);
-    }
-  });
-  let interval = window.setInterval(frameCheck, 300);
-  registerCleanupFunction(() => {
-    window.clearInterval(interval);
-  });
-}
-
-add_task(function* test() {
-  let monitor = PerformanceStats.getMonitor(["jank", "cpow", "ticks"]);
-
-  info("Extracting initial state");
-  let stats0 = yield monitor.promiseSnapshot();
-  Assert.notEqual(stats0.componentsData.length, 0, "There is more than one component");
-  Assert.ok(!stats0.componentsData.find(stat => stat.name.indexOf(URL) != -1),
-    "The url doesn't appear yet");
-
-  let newTab = gBrowser.addTab();
-  let browser = newTab.linkedBrowser;
-  // Setup monitoring in the tab
-  info("Setting up monitoring in the tab");
-  yield ContentTask.spawn(newTab.linkedBrowser, null, frameScript);
-
-  info("Opening URL");
-  newTab.linkedBrowser.loadURI(URL);
-
-  if (Services.sysinfo.getPropertyAsAString("name") == "Windows_NT") {
-    info("Deactivating sanity checks under Windows (bug 1151240)");
-  } else {
-    info("Setting up sanity checks");
-    monotinicity_tester(() => monitor.promiseSnapshot().then(snapshot => ({snapshot, pid: PARENT_PID})), "parent process");
-    monotinicity_tester(() => promiseContentResponseOrNull(browser, "compartments-test:getStatistics", null), "content process" );
-  }
-
-  let skipTotalUserTime = hasLowPrecision();
-
-
-  while (true) {
-    yield new Promise(resolve => setTimeout(resolve, 100));
-
-    // We may have race conditions with DOM loading.
-    // Don't waste too much brainpower here, let's just ask
-    // repeatedly for the title to be changed, until this works.
-    info("Setting titles");
-    yield promiseContentResponse(browser, "compartments-test:setTitles", {
-      parent: PARENT_TITLE,
-      frames: FRAME_TITLE
-    });
-    info("Titles set");
-
-    let {snapshot: stats} = (yield promiseContentResponse(browser, "compartments-test:getStatistics", null));
-
-    // Attach titles to components.
-    let titles = [];
-    let map = new Map();
-    let windows = Services.wm.getEnumerator("navigator:browser");
-    while (windows.hasMoreElements()) {
-      let window = windows.getNext();
-      let tabbrowser = window.gBrowser;
-      for (let browser of tabbrowser.browsers) {
-        let id = browser.outerWindowID; // May be `null` if the browser isn't loaded yet
-        if (id != null) {
-          map.set(id, browser);
-        }
-      }
-    }
-    for (let stat of stats.componentsData) {
-      if (!stat.windowId) {
-        continue;
-      }
-      let browser = map.get(stat.windowId);
-      if (!browser) {
-        continue;
-      }
-      let title = browser.contentTitle;
-      if (title) {
-        stat.title = title;
-        titles.push(title);
-      }
-    }
-
-    // While the webpage consists in three compartments, we should see only
-    // one `PerformanceData` in `componentsData`. Its `name` is undefined
-    // (could be either the main frame or one of its subframes), but its
-    // `title` should be the title of the main frame.
-    info(`Searching for frame title '${FRAME_TITLE}' in ${JSON.stringify(titles)} (I hope not to find it)`);
-    Assert.ok(!titles.includes(FRAME_TITLE), "Searching by title, the frames don't show up in the list of components");
-
-    info(`Searching for window title '${PARENT_TITLE}' in ${JSON.stringify(titles)} (I hope to find it)`);
-    let parent = stats.componentsData.find(x => x.title == PARENT_TITLE);
-    if (!parent) {
-      info("Searching by title, we didn't find the main frame");
-      continue;
-    }
-    info("Found the main frame");
-
-    if (skipTotalUserTime) {
-      info("Not looking for total user time on this platform, we're done");
-      break;
-    } else if (parent.jank.totalUserTime > 1000) {
-      info("Enough CPU time detected, we're done");
-      break;
-    } else {
-      info(`Not enough CPU time detected: ${parent.jank.totalUserTime}`);
-    }
-  }
-  isShuttingDown = true;
-
-  // Cleanup
-  gBrowser.removeTab(newTab, {skipPermitUnload: true});
-});
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_compartments_frame.html b/toolkit/components/perfmonitoring/tests/browser/browser_compartments_frame.html
deleted file mode 100644
index 69edfe871..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_compartments_frame.html
+++ /dev/null
@@ -1,12 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <title>
-    Subframe for test browser_compartments.html (do not change this title)
-  </title>
-  <script src="browser_compartments_script.js"></script>
-</head>
-<body>
-Subframe loaded.
-</body>
-</html>
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_compartments_script.js b/toolkit/components/perfmonitoring/tests/browser/browser_compartments_script.js
deleted file mode 100644
index 3d5f7114f..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_compartments_script.js
+++ /dev/null
@@ -1,29 +0,0 @@
-
-var carryOn = true;
-
-window.addEventListener("message", e => {
-  console.log("frame content", "message", e);
-  if ("title" in e.data) {
-    document.title = e.data.title;
-  }
-  if ("stop" in e.data) {
-    carryOn = false;
-  }
-});
-
-// Use some CPU.
-var interval = window.setInterval(() => {
-  if (!carryOn) {
-    window.clearInterval(interval);
-    return;
-  }
-
-  // Compute an arbitrary value, print it out to make sure that the JS
-  // engine doesn't discard all our computation.
-  var date = Date.now();
-  var array = [];
-  var i = 0;
-  while (Date.now() - date <= 100) {
-    array[i%2] = i++;
-  }
-}, 300);
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_webpagePerformanceAlerts.js b/toolkit/components/perfmonitoring/tests/browser/browser_webpagePerformanceAlerts.js
deleted file mode 100644
index eb908c8db..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/browser_webpagePerformanceAlerts.js
+++ /dev/null
@@ -1,111 +0,0 @@
-"use strict";
-
-/**
- * Tests for PerformanceWatcher watching slow web pages.
- */
-
- /**
-  * Simulate a slow webpage.
-  */
-function WebpageBurner() {
-  CPUBurner.call(this, "http://example.com/browser/toolkit/components/perfmonitoring/tests/browser/browser_compartments.html?test=" + Math.random(), 300000);
-}
-WebpageBurner.prototype = Object.create(CPUBurner.prototype);
-WebpageBurner.prototype.promiseBurnContentCPU = function() {
-  return promiseContentResponse(this._browser, "test-performance-watcher:burn-content-cpu", {});
-};
-
-function WebpageListener(windowId, accept) {
-  info(`Creating WebpageListener for ${windowId}`);
-  AlertListener.call(this, accept, {
-    register: () => PerformanceWatcher.addPerformanceListener({windowId}, this.listener),
-    unregister: () => PerformanceWatcher.removePerformanceListener({windowId}, this.listener)
-  });
-}
-WebpageListener.prototype = Object.create(AlertListener.prototype);
-
-add_task(function* init() {
-  // Get rid of buffering.
-  let service = Cc["@mozilla.org/toolkit/performance-stats-service;1"].getService(
-    Ci.nsIPerformanceStatsService);
-  let oldDelay = service.jankAlertBufferingDelay;
-
-  service.jankAlertBufferingDelay = 0 /* ms */;
-  registerCleanupFunction(() => {
-    info("Cleanup");
-    service.jankAlertBufferingDelay = oldDelay;
-  });
-});
-
-add_task(function* test_open_window_then_watch_it() {
-  let burner = new WebpageBurner();
-  yield burner.promiseInitialized;
-  yield burner.promiseBurnContentCPU();
-
-  info(`Check that burning CPU triggers the real listener, but not the fake listener`);
-  let realListener = new WebpageListener(burner.windowId, (group, details) => {
-    info(`test: realListener for ${burner.tab.linkedBrowser.outerWindowID}: ${group}, ${details}\n`);
-    Assert.equal(group.windowId, burner.windowId, "We should not receive data meant for another group");
-    return details;
-  }); // This listener should be triggered.
-
-  info(`Creating fake burner`);
-  let otherTab = gBrowser.addTab();
-  yield BrowserTestUtils.browserLoaded(otherTab.linkedBrowser);
-  info(`Check that burning CPU triggers the real listener, but not the fake listener`);
-  let fakeListener = new WebpageListener(otherTab.linkedBrowser.outerWindowID, group => group.windowId == burner.windowId); // This listener should never be triggered.
-  let universalListener = new WebpageListener(0, alerts =>
-    alerts.find(alert => alert.source.windowId == burner.windowId)
-  );
-
-  // Waiting a little – listeners are buffered.
-  yield new Promise(resolve => setTimeout(resolve, 100));
-
-  yield burner.run("promiseBurnContentCPU", 20, realListener);
-  Assert.ok(realListener.triggered, `1. The real listener was triggered`);
-  Assert.ok(universalListener.triggered, `1. The universal listener was triggered`);
-  Assert.ok(!fakeListener.triggered, `1. The fake listener was not triggered`);
-
-  if (realListener.result) {
-    Assert.ok(realListener.result.highestJank >= 300, `1. jank is at least 300ms (${realListener.result.highestJank}ms)`);
-  }
-
-  info(`Attempting to remove a performance listener incorrectly, check that this does not hurt our real listener`);
-  Assert.throws(() => PerformanceWatcher.removePerformanceListener({addonId: addon.addonId}, () => {}));
-  Assert.throws(() => PerformanceWatcher.removePerformanceListener({addonId: addon.addonId + "-unbound-id-" + Math.random()}, realListener.listener));
-
-  // Waiting a little – listeners are buffered.
-  yield new Promise(resolve => setTimeout(resolve, 100));
-  yield burner.run("promiseBurnContentCPU", 20, realListener);
-  // Waiting a little – listeners are buffered.
-  yield new Promise(resolve => setTimeout(resolve, 100));
-
-  Assert.ok(realListener.triggered, `2. The real listener was triggered`);
-  Assert.ok(universalListener.triggered, `2. The universal listener was triggered`);
-  Assert.ok(!fakeListener.triggered, `2. The fake listener was not triggered`);
-  if (realListener.result) {
-    Assert.ok(realListener.result.highestJank >= 300, `2. jank is at least 300ms (${realListener.jank}ms)`);
-  }
-
-  info(`Attempting to remove correctly, check if the listener is still triggered`);
-  // Waiting a little – listeners are buffered.
-  yield new Promise(resolve => setTimeout(resolve, 100));
-  realListener.unregister();
-
-  // Waiting a little – listeners are buffered.
-  yield new Promise(resolve => setTimeout(resolve, 100));
-  yield burner.run("promiseBurnContentCPU", 3, realListener);
-  Assert.ok(!realListener.triggered, `3. After being unregistered, the real listener was not triggered`);
-  Assert.ok(universalListener.triggered, `3. The universal listener is still triggered`);
-
-  universalListener.unregister();
-
-  // Waiting a little – listeners are buffered.
-  yield new Promise(resolve => setTimeout(resolve, 100));
-  yield burner.run("promiseBurnContentCPU", 3, realListener);
-  Assert.ok(!universalListener.triggered, `4. After being unregistered, the universal listener is not triggered`);
-
-  fakeListener.unregister();
-  burner.dispose();
-  gBrowser.removeTab(otherTab);
-});
diff --git a/toolkit/components/perfmonitoring/tests/browser/head.js b/toolkit/components/perfmonitoring/tests/browser/head.js
deleted file mode 100644
index 92258fd1b..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/head.js
+++ /dev/null
@@ -1,287 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-var { utils: Cu, interfaces: Ci, classes: Cc } = Components;
-
-Cu.import("resource://gre/modules/Promise.jsm", this);
-Cu.import("resource://gre/modules/AddonManager.jsm", this);
-Cu.import("resource://gre/modules/AddonWatcher.jsm", this);
-Cu.import("resource://gre/modules/PerformanceWatcher.jsm", this);
-Cu.import("resource://gre/modules/Services.jsm", this);
-Cu.import("resource://testing-common/ContentTaskUtils.jsm", this);
-
-/**
- * Base class for simulating slow addons/webpages.
- */
-function CPUBurner(url, jankThreshold) {
-  info(`CPUBurner: Opening tab for ${url}\n`);
-  this.url = url;
-  this.tab = gBrowser.addTab(url);
-  this.jankThreshold = jankThreshold;
-  let browser = this.tab.linkedBrowser;
-  this._browser = browser;
-  ContentTask.spawn(this._browser, null, CPUBurner.frameScript);
-  this.promiseInitialized = BrowserTestUtils.browserLoaded(browser);
-}
-CPUBurner.prototype = {
-  get windowId() {
-    return this._browser.outerWindowID;
-  },
-  /**
-   * Burn CPU until it triggers a listener with the specified jank threshold.
-   */
-  run: Task.async(function*(burner, max, listener) {
-    listener.reset();
-    for (let i = 0; i < max; ++i) {
-      yield new Promise(resolve => setTimeout(resolve, 50));
-      try {
-        yield this[burner]();
-      } catch (ex) {
-        return false;
-      }
-      if (listener.triggered && listener.result >= this.jankThreshold) {
-        return true;
-      }
-    }
-    return false;
-  }),
-  dispose: function() {
-    info(`CPUBurner: Closing tab for ${this.url}\n`);
-    gBrowser.removeTab(this.tab);
-  }
-};
-// This function is injected in all frames
-CPUBurner.frameScript = function() {
-  try {
-    "use strict";
-
-    const { utils: Cu, classes: Cc, interfaces: Ci } = Components;
-    let sandboxes = new Map();
-    let getSandbox = function(addonId) {
-      let sandbox = sandboxes.get(addonId);
-      if (!sandbox) {
-        sandbox = Components.utils.Sandbox(Services.scriptSecurityManager.getSystemPrincipal(), { addonId  });
-        sandboxes.set(addonId, sandbox);
-      }
-      return sandbox;
-    };
-
-    let burnCPU = function() {
-      var start = Date.now();
-      var ignored = [];
-      while (Date.now() - start < 500) {
-        ignored[ignored.length % 2] = ignored.length;
-      }
-    };
-    let burnCPUInSandbox = function(addonId) {
-      let sandbox = getSandbox(addonId);
-      Cu.evalInSandbox(burnCPU.toSource() + "()", sandbox);
-    };
-
-    {
-      let topic = "test-performance-watcher:burn-content-cpu";
-        addMessageListener(topic, function(msg) {
-        try {
-          if (msg.data && msg.data.addonId) {
-            burnCPUInSandbox(msg.data.addonId);
-          } else {
-            burnCPU();
-          }
-          sendAsyncMessage(topic, {});
-        } catch (ex) {
-          dump(`This is the content attempting to burn CPU: error ${ex}\n`);
-          dump(`${ex.stack}\n`);
-        }
-      });
-    }
-
-    // Bind the function to the global context or it might be GC'd during test
-    // causing failures (bug 1230027)
-    this.burnCPOWInSandbox = function(addonId) {
-      try {
-        burnCPUInSandbox(addonId);
-      } catch (ex) {
-        dump(`This is the addon attempting to burn CPOW: error ${ex}\n`);
-        dump(`${ex.stack}\n`);
-      }
-    }
-
-    sendAsyncMessage("test-performance-watcher:cpow-init", {}, {
-      burnCPOWInSandbox: this.burnCPOWInSandbox
-    });
-
-  } catch (ex) {
-    Cu.reportError("This is the addon: error " + ex);
-    Cu.reportError(ex.stack);
-  }
-};
-
-/**
- * Base class for listening to slow group alerts
- */
-function AlertListener(accept, {register, unregister}) {
-  this.listener = (...args) => {
-    if (this._unregistered) {
-      throw new Error("Listener was unregistered");
-    }
-    let result = accept(...args);
-    if (!result) {
-      return;
-    }
-    this.result = result;
-    this.triggered = true;
-    return;
-  };
-  this.triggered = false;
-  this.result = null;
-  this._unregistered = false;
-  this._unregister = unregister;
-  registerCleanupFunction(() => {
-    this.unregister();
-  });
-  register();
-}
-AlertListener.prototype = {
-  unregister: function() {
-    this.reset();
-    if (this._unregistered) {
-      info(`head.js: No need to unregister, we're already unregistered.\n`);
-      return;
-    }
-    info(`head.js: Unregistering listener.\n`);
-    this._unregistered = true;
-    this._unregister();
-    info(`head.js: Unregistration complete.\n`);
-  },
-  reset: function() {
-    this.triggered = false;
-    this.result = null;
-  },
-};
-
-/**
- * Simulate a slow add-on.
- */
-function AddonBurner(addonId = "fake add-on id: " + Math.random()) {
-  this.jankThreshold = 200000;
-  CPUBurner.call(this, `http://example.com/?uri=${addonId}`, this.jankThreshold);
-  this._addonId = addonId;
-  this._sandbox = Components.utils.Sandbox(Services.scriptSecurityManager.getSystemPrincipal(), { addonId: this._addonId });
-  this._CPOWBurner = null;
-
-  this._promiseCPOWBurner = new Promise(resolve => {
-    this._browser.messageManager.addMessageListener("test-performance-watcher:cpow-init", msg => {
-      // Note that we cannot resolve Promises with CPOWs now that they
-      // have been outlawed in bug 1233497, so we stash it in the
-      // AddonBurner instance instead.
-      this._CPOWBurner = msg.objects.burnCPOWInSandbox;
-      resolve();
-    });
-  });
-}
-AddonBurner.prototype = Object.create(CPUBurner.prototype);
-Object.defineProperty(AddonBurner.prototype, "addonId", {
-  get: function() {
-    return this._addonId;
-  }
-});
-
-/**
- * Simulate slow code being executed by the add-on in the chrome.
- */
-AddonBurner.prototype.burnCPU = function() {
-  Cu.evalInSandbox(AddonBurner.burnCPU.toSource() + "()", this._sandbox);
-};
-
-/**
- * Simulate slow code being executed by the add-on in a CPOW.
- */
-AddonBurner.prototype.promiseBurnCPOW = Task.async(function*() {
-  yield this._promiseCPOWBurner;
-  ok(this._CPOWBurner, "Got the CPOW burner");
-  let burner = this._CPOWBurner;
-  info("Parent: Preparing to burn CPOW");
-  try {
-    yield burner(this._addonId);
-    info("Parent: Done burning CPOW");
-  } catch (ex) {
-    info(`Parent: Error burning CPOW: ${ex}\n`);
-    info(ex.stack + "\n");
-  }
-});
-
-/**
- * Simulate slow code being executed by the add-on in the content.
- */
-AddonBurner.prototype.promiseBurnContentCPU = function() {
-  return promiseContentResponse(this._browser, "test-performance-watcher:burn-content-cpu", {addonId: this._addonId});
-};
-AddonBurner.burnCPU = function() {
-  var start = Date.now();
-  var ignored = [];
-  while (Date.now() - start < 500) {
-    ignored[ignored.length % 2] = ignored.length;
-  }
-};
-
-
-function AddonListener(addonId, accept) {
-  let target = {addonId};
-  AlertListener.call(this, accept, {
-    register: () => {
-      info(`AddonListener: registering ${JSON.stringify(target, null, "\t")}`);
-      PerformanceWatcher.addPerformanceListener({addonId}, this.listener);
-    },
-    unregister: () => {
-      info(`AddonListener: unregistering ${JSON.stringify(target, null, "\t")}`);
-      PerformanceWatcher.removePerformanceListener({addonId}, this.listener);
-    }
-  });
-}
-AddonListener.prototype = Object.create(AlertListener.prototype);
-
-function promiseContentResponse(browser, name, message) {
-  let mm = browser.messageManager;
-  let promise = new Promise(resolve => {
-    function removeListener() {
-      mm.removeMessageListener(name, listener);
-    }
-
-    function listener(msg) {
-      removeListener();
-      resolve(msg.data);
-    }
-
-    mm.addMessageListener(name, listener);
-    registerCleanupFunction(removeListener);
-  });
-  mm.sendAsyncMessage(name, message);
-  return promise;
-}
-function promiseContentResponseOrNull(browser, name, message) {
-  if (!browser.messageManager) {
-    return null;
-  }
-  return promiseContentResponse(browser, name, message);
-}
-
-/**
- * `true` if we are running an OS in which the OS performance
- * clock has a low precision and might unpredictably
- * never be updated during the execution of the test.
- */
-function hasLowPrecision() {
-  let [sysName, sysVersion] = [Services.sysinfo.getPropertyAsAString("name"), Services.sysinfo.getPropertyAsDouble("version")];
-  info(`Running ${sysName} version ${sysVersion}`);
-
-  if (sysName == "Windows_NT" && sysVersion < 6) {
-    info("Running old Windows, need to deactivate tests due to bad precision.");
-    return true;
-  }
-  if (sysName == "Linux" && sysVersion <= 2.6) {
-    info("Running old Linux, need to deactivate tests due to bad precision.");
-    return true;
-  }
-  info("This platform has good precision.")
-  return false;
-}
diff --git a/toolkit/components/perfmonitoring/tests/browser/install.rdf b/toolkit/components/perfmonitoring/tests/browser/install.rdf
deleted file mode 100644
index 65add014f..000000000
--- a/toolkit/components/perfmonitoring/tests/browser/install.rdf
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
-  <Description about="urn:mozilla:install-manifest">
-    <em:id>addonwatcher-test@mozilla.com</em:id>
-    <em:version>1.0</em:version>
-
-    <em:targetApplication>
-      <Description>
-        <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
-        <em:minVersion>0.3</em:minVersion>
-        <em:maxVersion>*</em:maxVersion>
-      </Description>
-    </em:targetApplication>
-
-    <em:targetApplication>
-     <Description>
-      <em:id>toolkit@mozilla.org</em:id>
-      <em:minVersion>1</em:minVersion>
-      <em:maxVersion>*</em:maxVersion>
-     </Description>
-    </em:targetApplication>
-
-    <em:bootstrap>true</em:bootstrap>
-
-    <em:name>Sample for browser_AddonWatcher.js</em:name>
-
-  </Description>
-</RDF>