[blimp] Add SkPicture caching support.

blimp/client/feature/compositor/client_image_serialization_processor.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_CLIENT_FEATURE_COMPOSITOR_CLIENT_IMAGE_SERIALIZATION_PROCESSOR_H_
 #define BLIMP_CLIENT_FEATURE_COMPOSITOR_CLIENT_IMAGE_SERIALIZATION_PROCESSOR_H_
 
+#include <memory>
+
 #include "base/macros.h"
 #include "cc/proto/image_serialization_processor.h"
-#include "third_party/skia/include/core/SkPicture.h"
+#include "cc/proto/picture_cache.h"
 
 class SkPixelSerializer;
 
 namespace blimp {
 namespace client {
 
-// ClientImageSerializationProcessor provides functionality to deserialize Skia
-// images.
+// ClientImageSerializationProcessor provides functionality to deserialize
+// and temporarily cache Skia images.
 class ClientImageSerializationProcessor
     : public cc::ImageSerializationProcessor {
  public:
   ClientImageSerializationProcessor();
   ~ClientImageSerializationProcessor();
 
   // cc::ImageSerializationProcessor implementation.
-  SkPixelSerializer* GetPixelSerializer() override;
-  SkPicture::InstallPixelRefProc GetPixelDeserializer() override;
+  std::unique_ptr<cc::EnginePictureCache> CreateEnginePictureCache() override;
+  std::unique_ptr<cc::ClientPictureCache> CreateClientPictureCache() override;
 
  private:
-  SkPicture::InstallPixelRefProc pixel_deserializer_;
-
   DISALLOW_COPY_AND_ASSIGN(ClientImageSerializationProcessor);
 };
 
 }  // namespace client
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_FEATURE_COMPOSITOR_CLIENT_IMAGE_SERIALIZATION_PROCESSOR_H_