Remove all blimp engine code

blimp/engine/renderer/blimp_content_renderer_client.cc

-// 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.
-
-#include "blimp/engine/renderer/blimp_content_renderer_client.h"
-
-#include "base/memory/ptr_util.h"
-#include "blimp/engine/mojo/blob_channel.mojom.h"
-#include "blimp/engine/renderer/blimp_remote_compositor_bridge.h"
-#include "blimp/engine/renderer/blob_channel_sender_proxy.h"
-#include "blimp/engine/renderer/engine_image_serialization_processor.h"
-#include "components/web_cache/renderer/web_cache_impl.h"
-
-namespace blimp {
-namespace engine {
-
-BlimpContentRendererClient::BlimpContentRendererClient() {}
-
-BlimpContentRendererClient::~BlimpContentRendererClient() {}
-
-void BlimpContentRendererClient::RenderThreadStarted() {
-  web_cache_impl_.reset(new web_cache::WebCacheImpl());
-  image_serialization_processor_.reset(new EngineImageSerializationProcessor(
-      base::WrapUnique(new BlobChannelSenderProxy)));
-}
-
-cc::ImageSerializationProcessor*
-BlimpContentRendererClient::GetImageSerializationProcessor() {
-  return image_serialization_processor_.get();
-}
-
-std::unique_ptr<cc::RemoteCompositorBridge>
-BlimpContentRendererClient::CreateRemoteCompositorBridge(
-    content::RemoteProtoChannel* remote_proto_channel,
-    scoped_refptr<base::SingleThreadTaskRunner> compositor_main_task_runner) {
-  return base::MakeUnique<BlimpRemoteCompositorBridge>(
-      remote_proto_channel, std::move(compositor_main_task_runner));
-}
-
-}  // namespace engine
-}  // namespace blimp