Ensure that extension resources are loaded with the correct scaling applied on Windows.

chrome/browser/extensions/image_loader.cc

 // 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.
 
 #include "chrome/browser/extensions/image_loader.h"
 
 #include <map>
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 344 matching lines @@
 
   gfx::ImageSkia image_skia;
 
   for (std::vector<LoadResult>::const_iterator it = load_result.begin();
        it != load_result.end(); ++it) {
     const SkBitmap& bitmap = it->bitmap;
     const ImageRepresentation& image_rep = it->image_representation;
 
     image_skia.AddRepresentation(gfx::ImageSkiaRep(
         bitmap,
-        ui::GetImageScale(image_rep.scale_factor)));
+        ui::ResourceBundle::PlatformGetImageScale(image_rep.scale_factor)));
   }
 
   gfx::Image image;
   if (!image_skia.isNull()) {
     image_skia.MakeThreadSafe();
     image = gfx::Image(image_skia);
   }
 
   callback.Run(image);
 }
@@ skipping 24 matching lines @@
        it != image_skia_map.end();
        ++it) {
     it->second.MakeThreadSafe();
     image_family.Add(it->second);
   }
 
   callback.Run(image_family);
 }
 
 }  // namespace extensions