Add support for multiple icon sizes for Mac platform apps

chrome/browser/ui/gtk/location_bar_view_gtk.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_GTK_LOCATION_BAR_VIEW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_LOCATION_BAR_VIEW_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
@@ skipping 210 matching lines @@
     }
 
     bool IsVisible();
 
     // Called to notify the PageAction that it should determine whether to be
     // visible or hidden. |contents| is the TabContents that is active, |url|
     // is the current page URL.
     void UpdateVisibility(content::WebContents* contents, const GURL& url);
 
     // A callback from ImageLoadingTracker for when the image has loaded.
-    virtual void OnImageLoaded(
-        SkBitmap* image, const ExtensionResource& resource, int index) OVERRIDE;
+    virtual void OnImageLoaded(const gfx::Image* image,
+                               const std::string& extension_id,
+                               int index) OVERRIDE;
 
     // Simulate left mouse click on the page action button.
     void TestActivatePageAction();
 
     // Overridden from ExtensionContextMenuModel::PopupDelegate:
     virtual void InspectPopup(ExtensionAction* action) OVERRIDE;
 
    private:
     // Show the popup for this page action. If |devtools| is true, show it
     // with a debugger window attached. Returns true if a popup was shown.
@@ skipping 199 matching lines @@
   // The last search keyword that was shown via the |tab_to_search_box_|.
   string16 last_keyword_;
 
   // Used to change the visibility of the star decoration.
   BooleanPrefMember edit_bookmarks_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationBarViewGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_LOCATION_BAR_VIEW_GTK_H_