gfx: Struct traits for GpuMemoryBufferId and GpuMemoryBufferType.

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 75 matching lines @@
   // id.
   const uint64_t client_tracing_id = 0;
   constexpr bool is_gpu_host = false;
   gpu_service_->EstablishGpuChannel(
       client_id, client_tracing_id, is_gpu_host,
       base::Bind(&GpuServiceProxy::OnGpuChannelEstablished,
                  base::Unretained(this), callback, client_id));
 }
 
 void GpuServiceProxy::CreateGpuMemoryBuffer(
-    mojom::GpuMemoryBufferIdPtr id,
+    gfx::GpuMemoryBufferId id,
     const gfx::Size& size,
     gfx::BufferFormat format,
     gfx::BufferUsage usage,
     uint64_t surface_id,
     const mojom::GpuService::CreateGpuMemoryBufferCallback& callback) {
   NOTIMPLEMENTED();
 }
 
-void GpuServiceProxy::DestroyGpuMemoryBuffer(mojom::GpuMemoryBufferIdPtr id,
+void GpuServiceProxy::DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
                                              const gpu::SyncToken& sync_token) {
   NOTIMPLEMENTED();
 }
 
 bool GpuServiceProxy::IsMainThread() {
   return main_thread_task_runner_->BelongsToCurrentThread();
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 GpuServiceProxy::GetIOThreadTaskRunner() {
   return io_thread_->task_runner();
 }
 
 std::unique_ptr<base::SharedMemory> GpuServiceProxy::AllocateSharedMemory(
     size_t size) {
   std::unique_ptr<base::SharedMemory> shm(new base::SharedMemory());
   if (!shm->CreateAnonymous(size))
     shm.reset();
   return shm;
 }
 
 }  // namespace ws
 }  // namespace ui