Avoiding use of NOTIFICATION_EXTENSION_READY_DEPRECATED

chrome/browser/background/background_mode_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_BACKGROUND_BACKGROUND_MODE_MANAGER_H_
 #define CHROME_BROWSER_BACKGROUND_BACKGROUND_MODE_MANAGER_H_
 
 #include <map>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_vector.h"
+#include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "chrome/browser/background/background_application_list_model.h"
 #include "chrome/browser/profiles/profile_info_cache_observer.h"
 #include "chrome/browser/status_icons/status_icon.h"
 #include "chrome/browser/status_icons/status_icon_menu_model.h"
 #include "chrome/browser/ui/browser_list_observer.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/common/extension.h"
@@ skipping 166 matching lines @@
   // which is similar to a shared_ptr.
   typedef linked_ptr<BackgroundModeData> BackgroundModeInfo;
 
   typedef std::map<Profile*, BackgroundModeInfo> BackgroundModeInfoMap;
 
   // content::NotificationObserver implementation.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
+  // Called when ExtensionSystem is ready.
+  void OnExtensionsReady();
+
   // Called when the kBackgroundModeEnabled preference changes.
   void OnBackgroundModeEnabledPrefChanged();
 
   // BackgroundApplicationListModel::Observer implementation.
   void OnApplicationDataChanged(const extensions::Extension* extension,
                                 Profile* profile) override;
   void OnApplicationListChanged(Profile* profile) override;
 
   // Overrides from ProfileInfoCacheObserver
   void OnProfileAdded(const base::FilePath& profile_path) override;
@@ skipping 141 matching lines @@
   // (used for testing background mode without having to install a background
   // app).
   bool keep_alive_for_test_;
 
   // Set to true when background mode is suspended.
   bool background_mode_suspended_;
 
   // Set to true when background mode is keeping Chrome alive.
   bool keeping_alive_;
 
+  base::WeakPtrFactory<BackgroundModeManager> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(BackgroundModeManager);
 };
 
 #endif  // CHROME_BROWSER_BACKGROUND_BACKGROUND_MODE_MANAGER_H_