Add support for multi resolution icons

chrome/browser/themes/theme_service.h

 // Copyright (c) 2011 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_THEMES_THEME_SERVICE_H_
 #define CHROME_BROWSER_THEMES_THEME_SERVICE_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 124 matching lines @@
   typedef enum {
     NO_REPEAT = 0,
     REPEAT_X = 1,
     REPEAT_Y = 2,
     REPEAT = 3
   } Tiling;
 
   // ui::ThemeProvider implementation.
   virtual void Init(Profile* profile);
   virtual SkBitmap* GetBitmapNamed(int id) const;
+  virtual bool GetBitmapsNamed(int id, std::vector<SkBitmap*>& bitmaps) const;
   virtual SkColor GetColor(int id) const;
   virtual bool GetDisplayProperty(int id, int* result) const;
   virtual bool ShouldUseNativeFrame() const;
   virtual bool HasCustomImage(int id) const;
   virtual RefCountedMemory* GetRawData(int id) const;
 #if defined(TOOLKIT_USES_GTK)
   // GdkPixbufs returned by GetPixbufNamed and GetRTLEnabledPixbufNamed are
   // shared instances owned by the theme provider and should not be freed.
   virtual GdkPixbuf* GetPixbufNamed(int id) const;
   virtual GdkPixbuf* GetRTLEnabledPixbufNamed(int id) const;
@@ skipping 136 matching lines @@
 
   // The number of infobars currently displayed.
   int number_of_infobars_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ThemeService);
 };
 
 #endif  // CHROME_BROWSER_THEMES_THEME_SERVICE_H_