Load 2x resources on demand

chrome/browser/chromeos/login/user_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/chromeos/login/user_image_loader.h"
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 74 matching lines @@
       // Also downsize the image to save space and memory.
       final_image =
           skia::ImageOperations::Resize(cropped_image,
                                         skia::ImageOperations::RESIZE_LANCZOS3,
                                         image_info.size,
                                         image_info.size);
     } else {
       final_image = cropped_image;
     }
   }
-
+  gfx::ImageSkia final_image_skia(final_image);
+  final_image_skia.MakeThreadSafe();
   target_message_loop_->PostTask(
       FROM_HERE,
       base::Bind(image_info.loaded_cb,
-                 UserImage(final_image, decoder->get_image_data())));
+                 UserImage(final_image_skia, decoder->get_image_data())));
 
   image_info_map_.erase(info_it);
 }
 
 void UserImageLoader::OnDecodeImageFailed(const ImageDecoder* decoder) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   image_info_map_.erase(decoder);
 }
 
 }  // namespace chromeos