[blimp] Add SkPicture caching support.

blimp/engine/renderer/engine_image_serialization_processor.cc

 // 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.
 
 #include "blimp/engine/renderer/engine_image_serialization_processor.h"
 
 #include <stddef.h>
+#include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/trace_event/trace_event.h"
 #include "blimp/common/blob_cache/id_util.h"
 #include "blimp/common/proto/blob_cache.pb.h"
+#include "blimp/engine/renderer/blimp_engine_picture_cache.h"
+#include "cc/proto/picture_cache.h"
 #include "content/public/renderer/render_frame.h"
 #include "third_party/libwebp/webp/encode.h"
 #include "third_party/skia/include/core/SkData.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "third_party/skia/include/core/SkPixelSerializer.h"
+#include "third_party/skia/include/core/SkStream.h"
 #include "third_party/skia/include/core/SkUnPreMultiply.h"
 
 namespace blimp {
 namespace {
 
 // TODO(nyquist): Add support for changing this from the client.
 static base::LazyInstance<std::set<BlobId>> g_client_cache_contents =
     LAZY_INSTANCE_INITIALIZER;
 
 SkData* BlobCacheImageMetadataProtoAsSkData(
@@ skipping 182 matching lines @@
 
   pixel_serializer_.reset(new WebPImageEncoder);
 
   // Dummy BlobChannel command.
   // TODO(nyquist): Remove this after integrating BlobChannel.
   blob_channel_->Push("foo");
 }
 
 EngineImageSerializationProcessor::~EngineImageSerializationProcessor() {}
 
-SkPixelSerializer* EngineImageSerializationProcessor::GetPixelSerializer() {
-  return pixel_serializer_.get();
+std::unique_ptr<cc::EnginePictureCache>
+EngineImageSerializationProcessor::CreateEnginePictureCache() {
+  return base::WrapUnique(new BlimpEnginePictureCache(pixel_serializer_.get()));
 }
 
-SkPicture::InstallPixelRefProc
-EngineImageSerializationProcessor::GetPixelDeserializer() {
+std::unique_ptr<cc::ClientPictureCache>
+EngineImageSerializationProcessor::CreateClientPictureCache() {
   return nullptr;
 }
 
 }  // namespace engine
 }  // namespace blimp