Remove DEPRECATED extension notification from background_contents_service.*

chrome/browser/background/background_contents_service.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_CONTENTS_SERVICE_H_
 #define CHROME_BROWSER_BACKGROUND_BACKGROUND_CONTENTS_SERVICE_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
+#include "base/scoped_observer.h"
 #include "chrome/browser/tab_contents/background_contents.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/common/window_container_type.h"
+#include "extensions/browser/extension_registry_observer.h"
 #include "ui/base/window_open_disposition.h"
 #include "url/gurl.h"
 
 class PrefService;
 class Profile;
 
 namespace base {
 class CommandLine;
 class DictionaryValue;
 }
 
 namespace content {
 class SessionStorageNamespace;
 }
 
 namespace extensions {
 class Extension;
+class ExtensionRegistry;
 }
 
 namespace gfx {
 class Rect;
 }
 
 struct BackgroundContentsOpenedDetails;
 
 // BackgroundContentsService is owned by the profile, and is responsible for
 // managing the lifetime of BackgroundContents (tracking the set of background
 // urls, loading them at startup, and keeping the browser process alive as long
 // as there are BackgroundContents loaded).
 //
 // It is also responsible for tracking the association between
 // BackgroundContents and their parent app, and shutting them down when the
 // parent app is unloaded.
 class BackgroundContentsService : private content::NotificationObserver,
+                                  public extensions::ExtensionRegistryObserver,
                                   public BackgroundContents::Delegate,
                                   public KeyedService {
  public:
   BackgroundContentsService(Profile* profile,
                             const base::CommandLine* command_line);
   virtual ~BackgroundContentsService();
 
   // Allows tests to reduce the time between a force-installed app/extension
   // crashing and when we reload it.
   static void SetRestartDelayForForceInstalledAppsAndExtensionsForTesting(
@@ skipping 70 matching lines @@
                            KillBGContents);
 
   // Registers for various notifications.
   void StartObserving(Profile* profile);
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+  // extensions::ExtensionRegistryObserver implementation.
+  virtual void OnExtensionLoaded(
+      content::BrowserContext* browser_context,
+      const extensions::Extension* extension) OVERRIDE;
+  virtual void OnExtensionUnloaded(
+      content::BrowserContext* browser_context,
+      const extensions::Extension* extension,
+      extensions::UnloadedExtensionInfo::Reason reason) OVERRIDE;
+  virtual void OnExtensionUninstalled(
+      content::BrowserContext* browser_context,
+      const extensions::Extension* extension,
+      extensions::UninstallReason reason) OVERRIDE;
+
   // Restarts a force-installed app/extension after a crash.
   void RestartForceInstalledExtensionOnCrash(
       const extensions::Extension* extension,
       Profile* profile);
 
   // Loads all registered BackgroundContents at startup.
   void LoadBackgroundContentsFromPrefs(Profile* profile);
 
   // Load a BackgroundContent; the settings are read from the provided
   // dictionary.
@@ skipping 58 matching lines @@
   };
 
   // Map associating currently loaded BackgroundContents with their parent
   // applications.
   // Key: application id
   // Value: BackgroundContentsInfo for the BC associated with that application
   typedef std::map<base::string16, BackgroundContentsInfo>
       BackgroundContentsMap;
   BackgroundContentsMap contents_map_;
 
+  ScopedObserver<extensions::ExtensionRegistry,
+                 extensions::ExtensionRegistryObserver>
+      extension_registry_observer_;
+
   DISALLOW_COPY_AND_ASSIGN(BackgroundContentsService);
 };
 
 #endif  // CHROME_BROWSER_BACKGROUND_BACKGROUND_CONTENTS_SERVICE_H_