Sample code: IPC Transport object for GPU

content/common/gpu/client/gpu_channel_host_factory.h

+// Copyright 2015 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 CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_FACTORY_H_
+#define CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_FACTORY_H_
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/shared_memory.h"
+#include "base/single_thread_task_runner.h"
+#include "content/common/content_export.h"
+#include "content/common/gpu/gpu_result_codes.h"
+
+namespace content {
+
+struct GpuCreateCommandBufferConfig;
+
+class CONTENT_EXPORT GpuChannelHostFactory {
+ public:
+  virtual ~GpuChannelHostFactory() {}
+
+  virtual bool IsMainThread() = 0;
+  virtual scoped_refptr<base::SingleThreadTaskRunner>
+  GetIOThreadTaskRunner() = 0;
+  virtual scoped_ptr<base::SharedMemory> AllocateSharedMemory(size_t size) = 0;
+  virtual CreateCommandBufferResult CreateViewCommandBuffer(
+      int32_t surface_id,
+      const GpuCreateCommandBufferConfig& init_params,
+      int32_t route_id) = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_FACTORY_H_