Remove the WebExtension Add-on Manager from our tree.

Tag #936

1 files changed, 0 insertions, 699 deletions

diff --git a/toolkit/mozapps/webextensions/internal/GMPProvider.jsm b/toolkit/mozapps/webextensions/internal/GMPProvider.jsm
deleted file mode 100644
index 9bb34a7af..000000000
--- a/toolkit/mozapps/webextensions/internal/GMPProvider.jsm
+++ /dev/null
@@ -1,699 +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";
-
-const Cc = Components.classes;
-const Ci = Components.interfaces;
-const Cu = Components.utils;
-
-this.EXPORTED_SYMBOLS = [];
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/AddonManager.jsm");
-/* globals AddonManagerPrivate*/
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/Preferences.jsm");
-Cu.import("resource://gre/modules/osfile.jsm");
-/* globals OS*/
-Cu.import("resource://gre/modules/Log.jsm");
-Cu.import("resource://gre/modules/Task.jsm");
-Cu.import("resource://gre/modules/GMPUtils.jsm");
-/* globals EME_ADOBE_ID, GMP_PLUGIN_IDS, GMPPrefs, GMPUtils, OPEN_H264_ID, WIDEVINE_ID */
-Cu.import("resource://gre/modules/AppConstants.jsm");
-Cu.import("resource://gre/modules/UpdateUtils.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(
-  this, "GMPInstallManager", "resource://gre/modules/GMPInstallManager.jsm");
-XPCOMUtils.defineLazyModuleGetter(
-  this, "setTimeout", "resource://gre/modules/Timer.jsm");
-
-const URI_EXTENSION_STRINGS  = "chrome://mozapps/locale/extensions/extensions.properties";
-const STRING_TYPE_NAME       = "type.%ID%.name";
-
-const SEC_IN_A_DAY           = 24 * 60 * 60;
-// How long to wait after a user enabled EME before attempting to download CDMs.
-const GMP_CHECK_DELAY        = 10 * 1000; // milliseconds
-
-const NS_GRE_DIR             = "GreD";
-const CLEARKEY_PLUGIN_ID     = "gmp-clearkey";
-const CLEARKEY_VERSION       = "0.1";
-
-const GMP_LICENSE_INFO       = "gmp_license_info";
-const GMP_PRIVACY_INFO       = "gmp_privacy_info";
-const GMP_LEARN_MORE         = "learn_more_label";
-
-const GMP_PLUGINS = [
-  {
-    id:              OPEN_H264_ID,
-    name:            "openH264_name",
-    description:     "openH264_description2",
-    // The following licenseURL is part of an awful hack to include the OpenH264
-    // license without having bug 624602 fixed yet, and intentionally ignores
-    // localisation.
-    licenseURL:      "chrome://mozapps/content/extensions/OpenH264-license.txt",
-    homepageURL:     "http://www.openh264.org/",
-    optionsURL:      "chrome://mozapps/content/extensions/gmpPrefs.xul",
-  },
-  {
-    id:              EME_ADOBE_ID,
-    name:            "eme-adobe_name",
-    description:     "eme-adobe_description",
-    // The following learnMoreURL is another hack to be able to support a SUMO page for this
-    // feature.
-    get learnMoreURL() {
-      return Services.urlFormatter.formatURLPref("app.support.baseURL") + "drm-content";
-    },
-    licenseURL:      "http://help.adobe.com/en_US/primetime/drm/HTML5_CDM_EULA/index.html",
-    homepageURL:     "http://help.adobe.com/en_US/primetime/drm/HTML5_CDM",
-    optionsURL:      "chrome://mozapps/content/extensions/gmpPrefs.xul",
-    isEME:           true,
-  },
-  {
-    id:              WIDEVINE_ID,
-    name:            "widevine_description",
-    // Describe the purpose of both CDMs in the same way.
-    description:     "eme-adobe_description",
-    licenseURL:      "https://www.google.com/policies/privacy/",
-    homepageURL:     "https://www.widevine.com/",
-    optionsURL:      "chrome://mozapps/content/extensions/gmpPrefs.xul",
-    isEME:           true
-  }];
-XPCOMUtils.defineConstant(this, "GMP_PLUGINS", GMP_PLUGINS);
-
-XPCOMUtils.defineLazyGetter(this, "pluginsBundle",
-  () => Services.strings.createBundle("chrome://global/locale/plugins.properties"));
-XPCOMUtils.defineLazyGetter(this, "gmpService",
-  () => Cc["@mozilla.org/gecko-media-plugin-service;1"].getService(Ci.mozIGeckoMediaPluginChromeService));
-
-var messageManager = Cc["@mozilla.org/globalmessagemanager;1"]
-                       .getService(Ci.nsIMessageListenerManager);
-
-var gLogger;
-var gLogAppenderDump = null;
-
-function configureLogging() {
-  if (!gLogger) {
-    gLogger = Log.repository.getLogger("Toolkit.GMP");
-    gLogger.addAppender(new Log.ConsoleAppender(new Log.BasicFormatter()));
-  }
-  gLogger.level = GMPPrefs.get(GMPPrefs.KEY_LOGGING_LEVEL, Log.Level.Warn);
-
-  let logDumping = GMPPrefs.get(GMPPrefs.KEY_LOGGING_DUMP, false);
-  if (logDumping != !!gLogAppenderDump) {
-    if (logDumping) {
-      gLogAppenderDump = new Log.DumpAppender(new Log.BasicFormatter());
-      gLogger.addAppender(gLogAppenderDump);
-    } else {
-      gLogger.removeAppender(gLogAppenderDump);
-      gLogAppenderDump = null;
-    }
-  }
-}
-
-
-
-/**
- * The GMPWrapper provides the info for the various GMP plugins to public
- * callers through the API.
- */
-function GMPWrapper(aPluginInfo) {
-  this._plugin = aPluginInfo;
-  this._log =
-    Log.repository.getLoggerWithMessagePrefix("Toolkit.GMP",
-                                              "GMPWrapper(" +
-                                              this._plugin.id + ") ");
-  Preferences.observe(GMPPrefs.getPrefKey(GMPPrefs.KEY_PLUGIN_ENABLED,
-                                          this._plugin.id),
-                      this.onPrefEnabledChanged, this);
-  Preferences.observe(GMPPrefs.getPrefKey(GMPPrefs.KEY_PLUGIN_VERSION,
-                                          this._plugin.id),
-                      this.onPrefVersionChanged, this);
-  if (this._plugin.isEME) {
-    Preferences.observe(GMPPrefs.KEY_EME_ENABLED,
-                        this.onPrefEMEGlobalEnabledChanged, this);
-    messageManager.addMessageListener("EMEVideo:ContentMediaKeysRequest", this);
-  }
-}
-
-GMPWrapper.prototype = {
-  // An active task that checks for plugin updates and installs them.
-  _updateTask: null,
-  _gmpPath: null,
-  _isUpdateCheckPending: false,
-
-  optionsType: AddonManager.OPTIONS_TYPE_INLINE,
-  get optionsURL() { return this._plugin.optionsURL; },
-
-  set gmpPath(aPath) { this._gmpPath = aPath; },
-  get gmpPath() {
-    if (!this._gmpPath && this.isInstalled) {
-      this._gmpPath = OS.Path.join(OS.Constants.Path.profileDir,
-                                   this._plugin.id,
-                                   GMPPrefs.get(GMPPrefs.KEY_PLUGIN_VERSION,
-                                                null, this._plugin.id));
-    }
-    return this._gmpPath;
-  },
-
-  get id() { return this._plugin.id; },
-  get type() { return "plugin"; },
-  get isGMPlugin() { return true; },
-  get name() { return this._plugin.name; },
-  get creator() { return null; },
-  get homepageURL() { return this._plugin.homepageURL; },
-
-  get description() { return this._plugin.description; },
-  get fullDescription() { return this._plugin.fullDescription; },
-
-  get version() { return GMPPrefs.get(GMPPrefs.KEY_PLUGIN_VERSION, null,
-                                      this._plugin.id); },
-
-  get isActive() {
-    return !this.appDisabled &&
-           !this.userDisabled &&
-           !GMPUtils.isPluginHidden(this._plugin);
-  },
-  get appDisabled() {
-    if (this._plugin.isEME && !GMPPrefs.get(GMPPrefs.KEY_EME_ENABLED, true)) {
-      // If "media.eme.enabled" is false, all EME plugins are disabled.
-      return true;
-    }
-    return false;
-  },
-
-  get userDisabled() {
-    return !GMPPrefs.get(GMPPrefs.KEY_PLUGIN_ENABLED, true, this._plugin.id);
-  },
-  set userDisabled(aVal) { GMPPrefs.set(GMPPrefs.KEY_PLUGIN_ENABLED,
-                                        aVal === false,
-                                        this._plugin.id); },
-
-  get blocklistState() { return Ci.nsIBlocklistService.STATE_NOT_BLOCKED; },
-  get size() { return 0; },
-  get scope() { return AddonManager.SCOPE_APPLICATION; },
-  get pendingOperations() { return AddonManager.PENDING_NONE; },
-
-  get operationsRequiringRestart() { return AddonManager.OP_NEEDS_RESTART_NONE },
-
-  get permissions() {
-    let permissions = 0;
-    if (!this.appDisabled) {
-      permissions |= AddonManager.PERM_CAN_UPGRADE;
-      permissions |= this.userDisabled ? AddonManager.PERM_CAN_ENABLE :
-                                         AddonManager.PERM_CAN_DISABLE;
-    }
-    return permissions;
-  },
-
-  get updateDate() {
-    let time = Number(GMPPrefs.get(GMPPrefs.KEY_PLUGIN_LAST_UPDATE, null,
-                                   this._plugin.id));
-    if (!isNaN(time) && this.isInstalled) {
-      return new Date(time * 1000)
-    }
-    return null;
-  },
-
-  get isCompatible() {
-    return true;
-  },
-
-  get isPlatformCompatible() {
-    return true;
-  },
-
-  get providesUpdatesSecurely() {
-    return true;
-  },
-
-  get foreignInstall() {
-    return false;
-  },
-
-  isCompatibleWith: function(aAppVersion, aPlatformVersion) {
-    return true;
-  },
-
-  get applyBackgroundUpdates() {
-    if (!GMPPrefs.isSet(GMPPrefs.KEY_PLUGIN_AUTOUPDATE, this._plugin.id)) {
-      return AddonManager.AUTOUPDATE_DEFAULT;
-    }
-
-    return GMPPrefs.get(GMPPrefs.KEY_PLUGIN_AUTOUPDATE, true, this._plugin.id) ?
-      AddonManager.AUTOUPDATE_ENABLE : AddonManager.AUTOUPDATE_DISABLE;
-  },
-
-  set applyBackgroundUpdates(aVal) {
-    if (aVal == AddonManager.AUTOUPDATE_DEFAULT) {
-      GMPPrefs.reset(GMPPrefs.KEY_PLUGIN_AUTOUPDATE, this._plugin.id);
-    } else if (aVal == AddonManager.AUTOUPDATE_ENABLE) {
-      GMPPrefs.set(GMPPrefs.KEY_PLUGIN_AUTOUPDATE, true, this._plugin.id);
-    } else if (aVal == AddonManager.AUTOUPDATE_DISABLE) {
-      GMPPrefs.set(GMPPrefs.KEY_PLUGIN_AUTOUPDATE, false, this._plugin.id);
-    }
-  },
-
-  findUpdates: function(aListener, aReason, aAppVersion, aPlatformVersion) {
-    this._log.trace("findUpdates() - " + this._plugin.id + " - reason=" +
-                    aReason);
-
-    AddonManagerPrivate.callNoUpdateListeners(this, aListener);
-
-    if (aReason === AddonManager.UPDATE_WHEN_PERIODIC_UPDATE) {
-      if (!AddonManager.shouldAutoUpdate(this)) {
-        this._log.trace("findUpdates() - " + this._plugin.id +
-                        " - no autoupdate");
-        return Promise.resolve(false);
-      }
-
-      let secSinceLastCheck =
-        Date.now() / 1000 - Preferences.get(GMPPrefs.KEY_UPDATE_LAST_CHECK, 0);
-      if (secSinceLastCheck <= SEC_IN_A_DAY) {
-        this._log.trace("findUpdates() - " + this._plugin.id +
-                        " - last check was less then a day ago");
-        return Promise.resolve(false);
-      }
-    } else if (aReason !== AddonManager.UPDATE_WHEN_USER_REQUESTED) {
-      this._log.trace("findUpdates() - " + this._plugin.id +
-                      " - the given reason to update is not supported");
-      return Promise.resolve(false);
-    }
-
-    if (this._updateTask !== null) {
-      this._log.trace("findUpdates() - " + this._plugin.id +
-                      " - update task already running");
-      return this._updateTask;
-    }
-
-    this._updateTask = Task.spawn(function*() {
-      this._log.trace("findUpdates() - updateTask");
-      try {
-        let installManager = new GMPInstallManager();
-        let res = yield installManager.checkForAddons();
-        let update = res.gmpAddons.find(addon => addon.id === this._plugin.id);
-        if (update && update.isValid && !update.isInstalled) {
-          this._log.trace("findUpdates() - found update for " +
-                          this._plugin.id + ", installing");
-          yield installManager.installAddon(update);
-        } else {
-          this._log.trace("findUpdates() - no updates for " + this._plugin.id);
-        }
-        this._log.info("findUpdates() - updateTask succeeded for " +
-                       this._plugin.id);
-      } catch (e) {
-        this._log.error("findUpdates() - updateTask for " + this._plugin.id +
-                        " threw", e);
-        throw e;
-      } finally {
-        this._updateTask = null;
-        return true;
-      }
-    }.bind(this));
-
-    return this._updateTask;
-  },
-
-  get pluginMimeTypes() { return []; },
-  get pluginLibraries() {
-    if (this.isInstalled) {
-      let path = this.version;
-      return [path];
-    }
-    return [];
-  },
-  get pluginFullpath() {
-    if (this.isInstalled) {
-      let path = OS.Path.join(OS.Constants.Path.profileDir,
-                              this._plugin.id,
-                              this.version);
-      return [path];
-    }
-    return [];
-  },
-
-  get isInstalled() {
-    return this.version && this.version.length > 0;
-  },
-
-  _handleEnabledChanged: function() {
-    this._log.info("_handleEnabledChanged() id=" +
-      this._plugin.id + " isActive=" + this.isActive);
-
-    AddonManagerPrivate.callAddonListeners(this.isActive ?
-                                           "onEnabling" : "onDisabling",
-                                           this, false);
-    if (this._gmpPath) {
-      if (this.isActive) {
-        this._log.info("onPrefEnabledChanged() - adding gmp directory " +
-                       this._gmpPath);
-        gmpService.addPluginDirectory(this._gmpPath);
-      } else {
-        this._log.info("onPrefEnabledChanged() - removing gmp directory " +
-                       this._gmpPath);
-        gmpService.removePluginDirectory(this._gmpPath);
-      }
-    }
-    AddonManagerPrivate.callAddonListeners(this.isActive ?
-                                           "onEnabled" : "onDisabled",
-                                           this);
-  },
-
-  onPrefEMEGlobalEnabledChanged: function() {
-    this._log.info("onPrefEMEGlobalEnabledChanged() id=" + this._plugin.id +
-      " appDisabled=" + this.appDisabled + " isActive=" + this.isActive +
-      " hidden=" + GMPUtils.isPluginHidden(this._plugin));
-
-    AddonManagerPrivate.callAddonListeners("onPropertyChanged", this,
-                                           ["appDisabled"]);
-    // If EME or the GMP itself are disabled, uninstall the GMP.
-    // Otherwise, check for updates, so we download and install the GMP.
-    if (this.appDisabled) {
-      this.uninstallPlugin();
-    } else if (!GMPUtils.isPluginHidden(this._plugin)) {
-      AddonManagerPrivate.callInstallListeners("onExternalInstall", null, this,
-                                               null, false);
-      AddonManagerPrivate.callAddonListeners("onInstalling", this, false);
-      AddonManagerPrivate.callAddonListeners("onInstalled", this);
-      this.checkForUpdates(GMP_CHECK_DELAY);
-    }
-    if (!this.userDisabled) {
-      this._handleEnabledChanged();
-    }
-  },
-
-  checkForUpdates: function(delay) {
-    if (this._isUpdateCheckPending) {
-      return;
-    }
-    this._isUpdateCheckPending = true;
-    GMPPrefs.reset(GMPPrefs.KEY_UPDATE_LAST_CHECK, null);
-    // Delay this in case the user changes his mind and doesn't want to
-    // enable EME after all.
-    setTimeout(() => {
-      if (!this.appDisabled) {
-        let gmpInstallManager = new GMPInstallManager();
-        // We don't really care about the results, if someone is interested
-        // they can check the log.
-        gmpInstallManager.simpleCheckAndInstall().then(null, () => {});
-      }
-      this._isUpdateCheckPending = false;
-    }, delay);
-  },
-
-  receiveMessage: function({target: browser, data: data}) {
-    this._log.trace("receiveMessage() data=" + data);
-    let parsedData;
-    try {
-      parsedData = JSON.parse(data);
-    } catch (ex) {
-      this._log.error("Malformed EME video message with data: " + data);
-      return;
-    }
-    let {status: status, keySystem: keySystem} = parsedData;
-    if (status == "cdm-not-installed") {
-      this.checkForUpdates(0);
-    }
-  },
-
-  onPrefEnabledChanged: function() {
-    if (!this._plugin.isEME || !this.appDisabled) {
-      this._handleEnabledChanged();
-    }
-  },
-
-  onPrefVersionChanged: function() {
-    AddonManagerPrivate.callAddonListeners("onUninstalling", this, false);
-    if (this._gmpPath) {
-      this._log.info("onPrefVersionChanged() - unregistering gmp directory " +
-                     this._gmpPath);
-      gmpService.removeAndDeletePluginDirectory(this._gmpPath, true /* can defer */);
-    }
-    AddonManagerPrivate.callAddonListeners("onUninstalled", this);
-
-    AddonManagerPrivate.callInstallListeners("onExternalInstall", null, this,
-                                             null, false);
-    AddonManagerPrivate.callAddonListeners("onInstalling", this, false);
-    this._gmpPath = null;
-    if (this.isInstalled) {
-      this._gmpPath = OS.Path.join(OS.Constants.Path.profileDir,
-                                   this._plugin.id,
-                                   GMPPrefs.get(GMPPrefs.KEY_PLUGIN_VERSION,
-                                                null, this._plugin.id));
-    }
-    if (this._gmpPath && this.isActive) {
-      this._log.info("onPrefVersionChanged() - registering gmp directory " +
-                     this._gmpPath);
-      gmpService.addPluginDirectory(this._gmpPath);
-    }
-    AddonManagerPrivate.callAddonListeners("onInstalled", this);
-  },
-
-  uninstallPlugin: function() {
-    AddonManagerPrivate.callAddonListeners("onUninstalling", this, false);
-    if (this.gmpPath) {
-      this._log.info("uninstallPlugin() - unregistering gmp directory " +
-                     this.gmpPath);
-      gmpService.removeAndDeletePluginDirectory(this.gmpPath);
-    }
-    GMPPrefs.reset(GMPPrefs.KEY_PLUGIN_VERSION, this.id);
-    GMPPrefs.reset(GMPPrefs.KEY_PLUGIN_ABI, this.id);
-    GMPPrefs.reset(GMPPrefs.KEY_PLUGIN_LAST_UPDATE, this.id);
-    AddonManagerPrivate.callAddonListeners("onUninstalled", this);
-  },
-
-  shutdown: function() {
-    Preferences.ignore(GMPPrefs.getPrefKey(GMPPrefs.KEY_PLUGIN_ENABLED,
-                                           this._plugin.id),
-                       this.onPrefEnabledChanged, this);
-    Preferences.ignore(GMPPrefs.getPrefKey(GMPPrefs.KEY_PLUGIN_VERSION,
-                                           this._plugin.id),
-                       this.onPrefVersionChanged, this);
-    if (this._plugin.isEME) {
-      Preferences.ignore(GMPPrefs.KEY_EME_ENABLED,
-                         this.onPrefEMEGlobalEnabledChanged, this);
-      messageManager.removeMessageListener("EMEVideo:ContentMediaKeysRequest", this);
-    }
-    return this._updateTask;
-  },
-
-  _arePluginFilesOnDisk: function() {
-    let fileExists = function(aGmpPath, aFileName) {
-      let f = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
-      let path = OS.Path.join(aGmpPath, aFileName);
-      f.initWithPath(path);
-      return f.exists();
-    };
-
-    let id = this._plugin.id.substring(4);
-    let libName = AppConstants.DLL_PREFIX + id + AppConstants.DLL_SUFFIX;
-    let infoName;
-    if (this._plugin.id == WIDEVINE_ID) {
-      infoName = "manifest.json";
-    } else {
-      infoName = id + ".info";
-    }
-
-    return fileExists(this.gmpPath, libName) &&
-           fileExists(this.gmpPath, infoName) &&
-           (this._plugin.id != EME_ADOBE_ID || fileExists(this.gmpPath, id + ".voucher"));
-  },
-
-  validate: function() {
-    if (!this.isInstalled) {
-      // Not installed -> Valid.
-      return {
-        installed: false,
-        valid: true
-      };
-    }
-
-    let abi = GMPPrefs.get(GMPPrefs.KEY_PLUGIN_ABI, UpdateUtils.ABI, this._plugin.id);
-    if (abi != UpdateUtils.ABI) {
-      // ABI doesn't match. Possibly this is a profile migrated across platforms
-      // or from 32 -> 64 bit.
-      return {
-        installed: true,
-        mismatchedABI: true,
-        valid: false
-      };
-    }
-
-    // Installed -> Check if files are missing.
-    let filesOnDisk = this._arePluginFilesOnDisk();
-    return {
-      installed: true,
-      valid: filesOnDisk
-    };
-  },
-};
-
-var GMPProvider = {
-  get name() { return "GMPProvider"; },
-
-  _plugins: null,
-
-  startup: function() {
-    configureLogging();
-    this._log = Log.repository.getLoggerWithMessagePrefix("Toolkit.GMP",
-                                                          "GMPProvider.");
-    this.buildPluginList();
-    this.ensureProperCDMInstallState();
-
-    Preferences.observe(GMPPrefs.KEY_LOG_BASE, configureLogging);
-
-    for (let [id, plugin] of this._plugins) {
-      let wrapper = plugin.wrapper;
-      let gmpPath = wrapper.gmpPath;
-      let isEnabled = wrapper.isActive;
-      this._log.trace("startup - enabled=" + isEnabled + ", gmpPath=" +
-                      gmpPath);
-
-      if (gmpPath && isEnabled) {
-        let validation = wrapper.validate();
-        if (validation.mismatchedABI) {
-          this._log.info("startup - gmp " + plugin.id +
-                         " mismatched ABI, uninstalling");
-          wrapper.uninstallPlugin();
-          continue;
-        }
-        if (!validation.valid) {
-          this._log.info("startup - gmp " + plugin.id +
-                         " invalid, uninstalling");
-          wrapper.uninstallPlugin();
-          continue;
-        }
-        this._log.info("startup - adding gmp directory " + gmpPath);
-        try {
-          gmpService.addPluginDirectory(gmpPath);
-        } catch (e) {
-          if (e.name != 'NS_ERROR_NOT_AVAILABLE')
-            throw e;
-          this._log.warn("startup - adding gmp directory failed with " +
-                         e.name + " - sandboxing not available?", e);
-        }
-      }
-    }
-
-    try {
-      let greDir = Services.dirsvc.get(NS_GRE_DIR,
-                                       Ci.nsILocalFile);
-      let clearkeyPath = OS.Path.join(greDir.path,
-                                      CLEARKEY_PLUGIN_ID,
-                                      CLEARKEY_VERSION);
-      this._log.info("startup - adding clearkey CDM directory " +
-                     clearkeyPath);
-      gmpService.addPluginDirectory(clearkeyPath);
-    } catch (e) {
-      this._log.warn("startup - adding clearkey CDM failed", e);
-    }
-  },
-
-  shutdown: function() {
-    this._log.trace("shutdown");
-    Preferences.ignore(GMPPrefs.KEY_LOG_BASE, configureLogging);
-
-    let shutdownTask = Task.spawn(function*() {
-      this._log.trace("shutdown - shutdownTask");
-      let shutdownSucceeded = true;
-
-      for (let plugin of this._plugins.values()) {
-        try {
-          yield plugin.wrapper.shutdown();
-        } catch (e) {
-          shutdownSucceeded = false;
-        }
-      }
-
-      this._plugins = null;
-
-      if (!shutdownSucceeded) {
-        throw new Error("Shutdown failed");
-      }
-    }.bind(this));
-
-    return shutdownTask;
-  },
-
-  getAddonByID: function(aId, aCallback) {
-    if (!this.isEnabled) {
-      aCallback(null);
-      return;
-    }
-
-    let plugin = this._plugins.get(aId);
-    if (plugin && !GMPUtils.isPluginHidden(plugin)) {
-      aCallback(plugin.wrapper);
-    } else {
-      aCallback(null);
-    }
-  },
-
-  getAddonsByTypes: function(aTypes, aCallback) {
-    if (!this.isEnabled ||
-        (aTypes && aTypes.indexOf("plugin") < 0)) {
-      aCallback([]);
-      return;
-    }
-
-    let results = Array.from(this._plugins.values())
-      .filter(p => !GMPUtils.isPluginHidden(p))
-      .map(p => p.wrapper);
-
-    aCallback(results);
-  },
-
-  get isEnabled() {
-    return GMPPrefs.get(GMPPrefs.KEY_PROVIDER_ENABLED, false);
-  },
-
-  generateFullDescription: function(aPlugin) {
-    let rv = [];
-    for (let [urlProp, labelId] of [["learnMoreURL", GMP_LEARN_MORE],
-                                    ["licenseURL", aPlugin.id == WIDEVINE_ID ?
-                                     GMP_PRIVACY_INFO : GMP_LICENSE_INFO]]) {
-      if (aPlugin[urlProp]) {
-        let label = pluginsBundle.GetStringFromName(labelId);
-        rv.push(`<xhtml:a href="${aPlugin[urlProp]}" target="_blank">${label}</xhtml:a>.`);
-      }
-    }
-    return rv.length ? rv.join("<xhtml:br /><xhtml:br />") : undefined;
-  },
-
-  buildPluginList: function() {
-    this._plugins = new Map();
-    for (let aPlugin of GMP_PLUGINS) {
-      let plugin = {
-        id: aPlugin.id,
-        name: pluginsBundle.GetStringFromName(aPlugin.name),
-        description: pluginsBundle.GetStringFromName(aPlugin.description),
-        homepageURL: aPlugin.homepageURL,
-        optionsURL: aPlugin.optionsURL,
-        wrapper: null,
-        isEME: aPlugin.isEME,
-      };
-      plugin.fullDescription = this.generateFullDescription(aPlugin);
-      plugin.wrapper = new GMPWrapper(plugin);
-      this._plugins.set(plugin.id, plugin);
-    }
-  },
-
-  ensureProperCDMInstallState: function() {
-    if (!GMPPrefs.get(GMPPrefs.KEY_EME_ENABLED, true)) {
-      for (let [id, plugin] of this._plugins) {
-        if (plugin.isEME && plugin.wrapper.isInstalled) {
-          gmpService.addPluginDirectory(plugin.wrapper.gmpPath);
-          plugin.wrapper.uninstallPlugin();
-        }
-      }
-    }
-  },
-};
-
-AddonManagerPrivate.registerProvider(GMPProvider, [
-  new AddonManagerPrivate.AddonType("plugin", URI_EXTENSION_STRINGS,
-                                    STRING_TYPE_NAME,
-                                    AddonManager.VIEW_TYPE_LIST, 6000,
-                                    AddonManager.TYPE_SUPPORTS_ASK_TO_ACTIVATE)
-]);