Add support for multiple icon sizes for Mac platform apps

chrome/browser/ui/views/browser_actions_container.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_VIEWS_BROWSER_ACTIONS_CONTAINER_H_
 #define CHROME_BROWSER_UI_VIEWS_BROWSER_ACTIONS_CONTAINER_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 66 matching lines @@
 
   // Does this button's action have a popup?
   virtual bool IsPopup();
   virtual GURL GetPopupUrl();
 
   // Overridden from views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
                              const views::Event& event) OVERRIDE;
 
   // Overridden from ImageLoadingTracker.
-  virtual void OnImageLoaded(SkBitmap* image,
-                             const ExtensionResource& resource,
+  virtual void OnImageLoaded(const gfx::Image& image,
+                             const std::string& extension_id,
                              int index) OVERRIDE;
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // MenuButton behavior overrides.  These methods all default to TextButton
   // behavior unless this button is a popup.  In that case, it uses MenuButton
   // behavior.  MenuButton has the notion of a child popup being shown where the
@@ skipping 428 matching lines @@
 
   base::WeakPtrFactory<BrowserActionsContainer> task_factory_;
 
   // Handles delayed showing of the overflow menu when hovering.
   base::WeakPtrFactory<BrowserActionsContainer> show_menu_task_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserActionsContainer);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_BROWSER_ACTIONS_CONTAINER_H_