Add support for multiple icon sizes for Mac platform apps

chrome/browser/ui/cocoa/location_bar/page_action_decoration.h

Index: chrome/browser/ui/cocoa/location_bar/page_action_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/page_action_decoration.h b/chrome/browser/ui/cocoa/location_bar/page_action_decoration.h
index 52b019f1cfd179028e5173a20c534f3d08ba6421..8012bc3001e830080b80ff1e7f8ed6cc2219da89 100644
--- a/chrome/browser/ui/cocoa/location_bar/page_action_decoration.h
+++ b/chrome/browser/ui/cocoa/location_bar/page_action_decoration.h
@@ -37,8 +37,9 @@ class PageActionDecoration : public ImageDecoration,
   bool preview_enabled() const { return preview_enabled_; }
 
   // Overridden from |ImageLoadingTracker::Observer|.
-  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;
 
   // Called to notify the Page Action that it should determine whether
   // to be visible or hidden. |contents| is the WebContents that is