Select theme resources from ResourceBundle at requested scale factor.

ui/base/resource/resource_bundle_gtk.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 "ui/base/resource/resource_bundle.h"
 
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/path_service.h"
@@ skipping 71 matching lines @@
     if (images_.count(key))
       return images_[key];
   }
 
   gfx::Image image;
   if (delegate_)
     image = delegate_->GetNativeImageNamed(resource_id, rtl);
 
   if (image.IsEmpty()) {
     scoped_refptr<base::RefCountedStaticMemory> data(
-        LoadDataResourceBytes(resource_id));
+        LoadDataResourceBytes(resource_id, ResourceHandle::kScaleFactor100x));
     GdkPixbuf* pixbuf = LoadPixbuf(data.get(), rtl == RTL_ENABLED);
 
     if (!pixbuf) {
       LOG(WARNING) << "Unable to load pixbuf with id " << resource_id;
       NOTREACHED();  // Want to assert in debug mode.
       return GetEmptyImage();
     }
 
     image = gfx::Image(pixbuf);  // Takes ownership.
   }
 
   base::AutoLock lock_scope(*images_and_fonts_lock_);
 
   // Another thread raced the load and has already cached the image.
   if (images_.count(key))
     return images_[key];
 
   images_[key] = image;
   return images_[key];
 }
 
 }  // namespace ui