Add support for multiple icon sizes for Mac platform apps

chrome/browser/shell_integration.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_SHELL_INTEGRATION_H_
 #define CHROME_BROWSER_SHELL_INTEGRATION_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/gfx/image/image.h"
 
 class CommandLine;
 
 #if defined(USE_X11)
 namespace base {
 class Environment;
 }
 #endif
 
 class ShellIntegration {
@@ skipping 43 matching lines @@
     ~ShortcutInfo();
 
     GURL url;
     // If |extension_id| is non-empty, this is short cut is to an extension-app
     // and the launch url will be detected at start-up. In this case, |url|
     // is still used to generate the app id (windows app id, not chrome app id).
     std::string extension_id;
     string16 title;
     string16 description;
     FilePath extension_path;
-    SkBitmap favicon;
+    gfx::Image favicon;
 
     bool create_on_desktop;
     bool create_in_applications_menu;
 
     // For Windows, this refers to quick launch bar prior to Win7. In Win7,
     // this means "pin to taskbar". For Mac/Linux, this could be used for
     // Mac dock or the gnome/kde application launcher. However, those are not
     // implemented yet.
     bool create_in_quick_launch_bar;
   };
@@ skipping 181 matching lines @@
     // Set Chrome as the default handler for this protocol.
     virtual void SetAsDefault() OVERRIDE;
 
     std::string protocol_;
 
     DISALLOW_COPY_AND_ASSIGN(DefaultProtocolClientWorker);
   };
 };
 
 #endif  // CHROME_BROWSER_SHELL_INTEGRATION_H_