Impl mus::mojom::GpuService to enable using Chrome IPC version gpu CmdBuf in mus

components/mus/gpu/gpu_service_impl.h

Index: components/mus/gpu/gpu_service_impl.h
diff --git a/components/mus/gpu/gpu_service_impl.h b/components/mus/gpu/gpu_service_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..91045873c23459fd64377b19d1cfd32ad254a742
--- /dev/null
+++ b/components/mus/gpu/gpu_service_impl.h
@@ -0,0 +1,60 @@
+// 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 COMPONENTS_MUS_GPU_GPU_SERVICE_IMPL_H_
+#define COMPONENTS_MUS_GPU_GPU_SERVICE_IMPL_H_
+
+#include "components/mus/public/interfaces/gpu_memory_buffer.mojom.h"
+#include "components/mus/public/interfaces/gpu_service.mojom.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+
+namespace shell {
+class Connection;
+}
+
+namespace mus {
+
+class GpuServiceImpl : public mojom::GpuService {
+ public:
+  GpuServiceImpl(mojo::InterfaceRequest<mojom::GpuService> request,
+                 shell::Connection* connection);
+  ~GpuServiceImpl() override;
+
+  // mojom::GpuService overrides:
+  void EstablishGpuChannel(
+      const mojom::GpuService::EstablishGpuChannelCallback& callback) override;
+
+  void CreateGpuMemoryBuffer(
+      mojom::GpuMemoryBufferIdPtr id,
+      const gfx::Size& size,
+      mojom::BufferFormat format,
+      mojom::BufferUsage usage,
+      uint64_t surface_id,
+      const mojom::GpuService::CreateGpuMemoryBufferCallback& callback)
+      override;
+
+  void CreateGpuMemoryBufferFromHandle(
+      mojom::GpuMemoryBufferHandlePtr buffer_handle,
+      mojom::GpuMemoryBufferIdPtr id,
+      const gfx::Size& size,
+      mojom::BufferFormat format,
+      const mojom::GpuService::CreateGpuMemoryBufferFromHandleCallback&
+          callback) override;
+
+  void DestroyGpuMemoryBuffer(mojom::GpuMemoryBufferIdPtr id,
+                              const gpu::SyncToken& sync_token) override;
+
+ private:
+  mojo::StrongBinding<GpuService> binding_;
+
+  // A unique client id for constructing the GpuChannel.
+  const int32_t client_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(GpuServiceImpl);
+};
+
+}  // namespace mus
+
+#endif  // COMPONENTS_MUS_GPU_GPU_SERVICE_IMPL_H_