Only show chrome2mobile in action box if it is enabled

chrome/browser/ui/toolbar/action_box_menu_model.h

Index: chrome/browser/ui/toolbar/action_box_menu_model.h
diff --git a/chrome/browser/ui/toolbar/action_box_menu_model.h b/chrome/browser/ui/toolbar/action_box_menu_model.h
index 8096e8701fb66b2ea7dca1a3444baece31f9524a..abb3ff3e218c3343efdd5c9981f4f8bea844404b 100644
--- a/chrome/browser/ui/toolbar/action_box_menu_model.h
+++ b/chrome/browser/ui/toolbar/action_box_menu_model.h
@@ -8,11 +8,14 @@
 #include <map>
 
 #include "content/public/browser/notification_observer.h"
+#include "chrome/browser/command_observer.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "ui/base/models/simple_menu_model.h"
 
 class Browser;
+class CommandUpdater;
+class Profile;
 
 namespace extensions {
 class Extension;
@@ -23,10 +26,12 @@ class Extension;
 // at creation time.
 class ActionBoxMenuModel : public ui::SimpleMenuModel,
                            public ui::SimpleMenuModel::Delegate,
-                           public content::NotificationObserver {
+                           public content::NotificationObserver,
+                           public CommandObserver {
  public:
   ActionBoxMenuModel(Browser* browser,
-                     ExtensionService* extension_service);
+                     ExtensionService* extension_service,
+                     CommandUpdater* command_updater);
   virtual ~ActionBoxMenuModel();
 
   // Returns true if item associated with an extension.
@@ -56,8 +61,14 @@ class ActionBoxMenuModel : public ui::SimpleMenuModel,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+  // CommandObserver:
+  virtual void EnabledStateChangedForCommand(int id, bool enabled) OVERRIDE;
+
+  void UpdateMenu();
+
   Browser* browser_;
   ExtensionService* extension_service_;
+  CommandUpdater* command_updater_;
 
   IdToEntensionIdMap id_to_extension_id_map_;