Implement proxy for 3d-related interfaces

gpu/ipc/gpu_command_buffer_traits.h

Index: gpu/ipc/gpu_command_buffer_traits.h
diff --git a/gpu/ipc/gpu_command_buffer_traits.h b/gpu/ipc/gpu_command_buffer_traits.h
new file mode 100644
index 0000000000000000000000000000000000000000..2237c1e9010918bb26cfdf9a2da7e7d947b55fae
--- /dev/null
+++ b/gpu/ipc/gpu_command_buffer_traits.h
@@ -0,0 +1,23 @@
+// Copyright (c) 2011 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 GPU_IPC_GPU_PARAM_TRAITS_H_
+#define GPU_IPC_GPU_PARAM_TRAITS_H_
+
+#include "ipc/ipc_message_utils.h"
+#include "gpu/command_buffer/common/command_buffer.h"
+
+namespace IPC {
+
+template <>
+struct ParamTraits<gpu::CommandBuffer::State> {
+  typedef gpu::CommandBuffer::State param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
+};
+
+}  // namespace IPC
+
+#endif  // GPU_IPC_GPU_PARAM_TRAITS_H_