Remove Extension Loaded/Unloaded notifications from LocationBarView(Mac)

chrome/browser/extensions/location_bar_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_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_
 #define CHROME_BROWSER_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_
 
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/scoped_observer.h"
 #include "extensions/browser/extension_registry_observer.h"
 
 class ExtensionAction;
 
 namespace content {
 class WebContents;
 class BrowserContext;
 }
 
 namespace extensions {
 
 class ActiveScriptController;
 class Extension;
+class ExtensionActionManager;
 class ExtensionRegistry;
 
 // Provides the UI with the current page actions for extensions. The execution
 // of these actions is handled in the ExtensionActionAPI.
 class LocationBarController : public ExtensionRegistryObserver {
  public:
   explicit LocationBarController(content::WebContents* web_contents);
   virtual ~LocationBarController();
 
   // Returns the actions which should be displayed in the location bar.
   std::vector<ExtensionAction*> GetCurrentActions();
 
   ActiveScriptController* active_script_controller() {
     return active_script_controller_.get();
   }
 
  private:
   // ExtensionRegistryObserver implementation.
+  virtual void OnExtensionLoaded(
+      content::BrowserContext* browser_context,
+      const Extension* extnesion) OVERRIDE;
   virtual void OnExtensionUnloaded(
       content::BrowserContext* browser_context,
       const Extension* extension,
       UnloadedExtensionInfo::Reason reason) OVERRIDE;
 
   // The associated WebContents.
   content::WebContents* web_contents_;
 
   // The associated BrowserContext.
   content::BrowserContext* browser_context_;
 
+  // The ExtensionActionManager to provide page actions.
+  ExtensionActionManager* action_manager_;
+
   // The ActiveScriptController, which could also add actions for extensions if
   // they have a pending script.
   scoped_ptr<ActiveScriptController> active_script_controller_;
 
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationBarController);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_