| Index: ui/ozone/public/gpu_platform_support.cc | 
| diff --git a/ui/ozone/public/gpu_platform_support.cc b/ui/ozone/public/gpu_platform_support.cc | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..fdc5b54a1f06ac28d961fe0fac8c489b85562210 | 
| --- /dev/null | 
| +++ b/ui/ozone/public/gpu_platform_support.cc | 
| @@ -0,0 +1,41 @@ | 
| +// Copyright 2014 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 "ui/ozone/public/gpu_platform_support.h" | 
| + | 
| +#include "base/logging.h" | 
| +#include "ui/ozone/ozone_export.h" | 
| + | 
| +namespace ui { | 
| + | 
| +namespace { | 
| + | 
| +// No-op implementation of GpuPlatformSupport. | 
| +class StubGpuPlatformSupport : public GpuPlatformSupport { | 
| + public: | 
| +  // GpuPlatformSupport: | 
| +  void OnChannelEstablished() override {} | 
| +  // bool OnMessageReceived(const IPC::Message&) override { return false; } | 
| +  //void RelinquishGpuResources(const base::Closure& callback) override; | 
| +  //IPC::MessageFilter* GetMessageFilter() override { return nullptr; } | 
| +}; | 
| + | 
| +// void StubGpuPlatformSupport::RelinquishGpuResources( | 
| +//     const base::Closure& callback) { | 
| +//   callback.Run(); | 
| +// } | 
| + | 
| +}  // namespace | 
| + | 
| +GpuPlatformSupport::GpuPlatformSupport() { | 
| +} | 
| + | 
| +GpuPlatformSupport::~GpuPlatformSupport() { | 
| +} | 
| + | 
| +GpuPlatformSupport* CreateStubGpuPlatformSupport() { | 
| +  return new StubGpuPlatformSupport; | 
| +} | 
| + | 
| +}  // namespace ui | 
|  |