mus/gpu: Introduce the GpuServiceHost mojom interface.

services/ui/ws/gpu_service_proxy.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 "services/ui/ws/gpu_service_proxy.h"
 
 #include "base/memory/shared_memory.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 80 matching lines @@
   mojom::GpuServiceInternal* gpu_service_internal_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuServiceImpl);
 };
 
 }  // namespace
 
 GpuServiceProxy::GpuServiceProxy(GpuServiceProxyDelegate* delegate)
     : delegate_(delegate),
       next_client_id_(kInternalGpuChannelClientId + 1),
-      main_thread_task_runner_(base::ThreadTaskRunnerHandle::Get()) {
+      main_thread_task_runner_(base::ThreadTaskRunnerHandle::Get()),
+      gpu_host_binding_(this) {
   gpu_main_impl_ = base::MakeUnique<GpuMain>(GetProxy(&gpu_main_));
   gpu_main_impl_->OnStart();
   // TODO(sad): Once GPU process is split, this would look like:
   //   connector->ConnectToInterface("gpu", &gpu_main_);
-  gpu_main_->CreateGpuService(
-      GetProxy(&gpu_service_),
-      base::Bind(&GpuServiceProxy::OnInitialized, base::Unretained(this)));
+  gpu_main_->CreateGpuService(GetProxy(&gpu_service_),
+                              gpu_host_binding_.CreateInterfacePtrAndBind());
   gpu_memory_buffer_manager_ = base::MakeUnique<MusGpuMemoryBufferManager>(
       gpu_service_.get(), next_client_id_++);
 }
 
 GpuServiceProxy::~GpuServiceProxy() {
 }
 
 void GpuServiceProxy::Add(mojom::GpuServiceRequest request) {
   mojo::MakeStrongBinding(
       base::MakeUnique<GpuServiceImpl>(next_client_id_++, &gpu_info_,
                                        gpu_memory_buffer_manager_.get(),
                                        gpu_service_.get()),
       std::move(request));
 }
 
 void GpuServiceProxy::CreateDisplayCompositor(
     cc::mojom::DisplayCompositorRequest request,
     cc::mojom::DisplayCompositorClientPtr client) {
   gpu_main_->CreateDisplayCompositor(std::move(request), std::move(client));
 }
 
-void GpuServiceProxy::OnInitialized(const gpu::GPUInfo& gpu_info) {
+void GpuServiceProxy::DidInitialize(const gpu::GPUInfo& gpu_info) {
   gpu_info_ = gpu_info;
   delegate_->OnGpuServiceInitialized();
 }
 
+void GpuServiceProxy::DidCreateOffscreenContext(const GURL& url) {}
+
+void GpuServiceProxy::DidDestroyOffscreenContext(const GURL& url) {}
+
+void GpuServiceProxy::DidDestroyChannel(int32_t client_id) {}
+
+void GpuServiceProxy::DidLoseContext(bool offscreen,
+                                     gpu::error::ContextLostReason reason,
+                                     const GURL& active_url) {}
+
+void GpuServiceProxy::StoreShaderToDisk(int32_t client_id,
+                                        const std::string& key,
+                                        const std::string& shader) {}
+
 }  // namespace ws
 }  // namespace ui