[mojo] Get rid of Skia type converters

content/renderer/image_downloader/image_downloader_impl.h

 // Copyright 2015 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 CONTENT_RENDERER_IMAGE_DOWNLOADER_IMAGE_DOWNLOADER_IMPL_H_
 #define CONTENT_RENDERER_IMAGE_DOWNLOADER_IMAGE_DOWNLOADER_IMPL_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 52 matching lines @@
   // succesfully or with a failure. See FetchImage for more
   // details.
   void DidFetchImage(uint32_t max_image_size,
                      const DownloadImageCallback& callback,
                      MultiResolutionImageResourceFetcher* fetcher,
                      const std::vector<SkBitmap>& images);
 
   // Reply download result
   void ReplyDownloadResult(
       int32_t http_status_code,
-      const std::vector<SkBitmap>& result_images,
+      std::vector<SkBitmap>* result_images,
       const std::vector<gfx::Size>& result_original_image_sizes,
       const DownloadImageCallback& callback);
 
   // We use StrongBinding to ensure deletion of "this" when connection closed
   mojo::StrongBinding<ImageDownloader> binding_;
 
   typedef ScopedVector<MultiResolutionImageResourceFetcher>
       ImageResourceFetcherList;
 
   // ImageResourceFetchers schedule via FetchImage.
   ImageResourceFetcherList image_fetchers_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageDownloaderImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_IMAGE_DOWNLOADER_IMAGE_DOWNLOADER_IMPL_H_