Use BrowserCommandController's logic uniformly for bookmark command enable/disable

chrome/browser/ui/browser_command_controller.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_UI_BROWSER_COMMAND_CONTROLLER_H_
 #define CHROME_BROWSER_UI_BROWSER_COMMAND_CONTROLLER_H_
 
 #include <vector>
 
 #include "base/prefs/pref_change_registrar.h"
@@ skipping 43 matching lines @@
   int GetLastBlockedCommand(WindowOpenDisposition* disposition);
 
   // Notifies the controller that state has changed in one of the following
   // areas and it should update command states.
   void TabStateChanged();
   void ZoomStateChanged();
   void ContentRestrictionsChanged();
   void FullscreenStateChanged();
   void PrintingStateChanged();
   void LoadingStateChanged(bool is_loading, bool force);
+  void ExtensionStateChanged();
 
   // Shared state updating: these functions are static and public to share with
   // outside code.
 
   // Updates the open-file state.
   static void UpdateOpenFileState(CommandUpdater* command_updater);
 
   // Update commands whose state depends on incognito mode availability and that
   // only depend on the profile.
   static void UpdateSharedCommandsForIncognitoAvailability(
@@ skipping 111 matching lines @@
   PrefChangeRegistrar profile_pref_registrar_;
   PrefChangeRegistrar local_pref_registrar_;
   BooleanPrefMember pref_signin_allowed_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserCommandController);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_BROWSER_COMMAND_CONTROLLER_H_