Add support for encoding/decoding WebP images.

blimp/common/compositor/blimp_remote_image_serializer.h

 // Copyright 2016 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 BLIMP_COMMON_COMPOSITOR_BLIMP_REMOTE_IMAGE_SERIALIZER_H_
 #define BLIMP_COMMON_COMPOSITOR_BLIMP_REMOTE_IMAGE_SERIALIZER_H_
 
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "blimp/common/blimp_common_export.h"
 #include "cc/proto/remote_image_serializer.h"
-
-class SkPixelSerializer;
+#include "third_party/skia/include/core/SkPixelSerializer.h"
 
 namespace blimp {
 
 // BlimpRemoteImageSerializer provides functionality to serialize Skia images.
 // The BlimpRemoteImageDeserializer for the counterpart running on the client.
 class BLIMP_COMMON_EXPORT BlimpRemoteImageSerializer
     : public cc::RemoteImageSerializer {
  public:
   BlimpRemoteImageSerializer();
   ~BlimpRemoteImageSerializer();
 
   // cc::RemoteImageSerializer implementation.
   SkPixelSerializer* GetPixelSerializer() override;
 
  private:
+  scoped_ptr<SkPixelSerializer> pixel_serializer_;
+
   DISALLOW_COPY_AND_ASSIGN(BlimpRemoteImageSerializer);
 };
 
 }  // namespace blimp
 
 #endif  // BLIMP_COMMON_COMPOSITOR_BLIMP_REMOTE_IMAGE_SERIALIZER_H_