Lazy initialization for PushMessagingEventRouter

chrome/browser/extensions/extension_service.h

Index: chrome/browser/extensions/extension_service.h
diff --git a/chrome/browser/extensions/extension_service.h b/chrome/browser/extensions/extension_service.h
index 56bd1ac91676e2eb24cf74d73364a7b19ece156f..55d28de07fc887b3d32e7e78f1162035ef925512 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -73,7 +73,6 @@ class ExtensionUpdater;
 class MediaGalleriesPrivateEventRouter;
 class PendingExtensionManager;
 class PreferenceEventRouter;
-class PushMessagingEventRouter;
 class SettingsFrontend;
 class WindowEventRouter;
 }
@@ -293,13 +292,6 @@ class ExtensionService
   // Start up the extension event routers.
   void InitEventRouters();
 
-  // Called when the ProfileSyncService for the associated Profile is
-  // going to be destroyed.  This is guaranteed to be called exactly
-  // once before Shutdown() is called.
-  //
-  // TODO(akalin): Remove this once http://crbug.com/153827 is fixed.
-  void OnProfileSyncServiceShutdown();
-
   // Called when the associated Profile is going to be destroyed.
   void Shutdown();
 
@@ -582,10 +574,6 @@ class ExtensionService
   }
 #endif
 
-  extensions::PushMessagingEventRouter* push_messaging_event_router() {
-    return push_messaging_event_router_.get();
-  }
-
   // Notify the frontend that there was an error loading an extension.
   // This method is public because UnpackedInstaller and InstalledLoader
   // can post to here.
@@ -994,9 +982,6 @@ class ExtensionService
   scoped_ptr<extensions::MediaGalleriesPrivateEventRouter>
       media_galleries_private_event_router_;
 
-  scoped_ptr<extensions::PushMessagingEventRouter>
-      push_messaging_event_router_;
-
 #if defined(OS_CHROMEOS)
   scoped_ptr<chromeos::ExtensionInputMethodEventRouter>
       input_method_event_router_;