Topsites become keyedService based.

chrome/browser/ui/views/frame/global_menu_bar_x11.h

 // Copyright 2013 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_UI_VIEWS_FRAME_GLOBAL_MENU_BAR_X11_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_GLOBAL_MENU_BAR_X11_H_
 
 #include <map>
 #include <string>
 
@@ skipping 154 matching lines @@
   CommandIDMenuItemMap id_to_menu_item_;
 
   DbusmenuServer* server_;
   DbusmenuMenuitem* root_item_;
   DbusmenuMenuitem* history_menu_;
   DbusmenuMenuitem* profiles_menu_;
 
   // Tracks value of the kShowBookmarkBar preference.
   PrefChangeRegistrar pref_change_registrar_;
 
-  history::TopSites* top_sites_;
+  scoped_refptr<history::TopSites> top_sites_;
 
   TabRestoreService* tab_restore_service_;  // weak
 
   scoped_ptr<AvatarMenu> avatar_menu_;
 
   ScopedObserver<history::TopSites, history::TopSitesObserver> scoped_observer_;
 
   // For callbacks may be run after destruction.
   base::WeakPtrFactory<GlobalMenuBarX11> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GlobalMenuBarX11);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_GLOBAL_MENU_BAR_X11_H_