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 ce59534ae90e79b9877ab92ae1bba22c047e9c2f..2d455507c013cf79b1abfc55753f3a39b1e92047 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -71,7 +71,6 @@ class ExtensionSyncData;
 class ExtensionSystem;
 class ExtensionUpdater;
 class PendingExtensionManager;
-class PushMessagingEventRouter;
 class SettingsFrontend;
 }
 
@@ -290,13 +289,6 @@ 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();
 
@@ -568,10 +560,6 @@ 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.
@@ -969,9 +957,6 @@ class ExtensionService
 
   scoped_ptr<BookmarkExtensionEventRouter> bookmark_event_router_;
 
-  scoped_ptr<extensions::PushMessagingEventRouter>
-      push_messaging_event_router_;
-
 #if defined(OS_CHROMEOS)
   scoped_ptr<chromeos::ExtensionInputMethodEventRouter>
       input_method_event_router_;