Sample code: IPC Transport object for GPU

content/common/gpu/jpeg_decode_params.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_JPEG_DECODE_PARAMS_H_
+#define CONTENT_COMMON_GPU_JPEG_DECODE_PARAMS_H_
+
+#include <stdint.h>
+
+#include "base/memory/shared_memory_handle.h"
+#include "content/common/content_export.h"
+#include "ui/gfx/geometry/size.h"
+
+namespace content {
+
+struct CONTENT_EXPORT JpegDecodeParams {
+  JpegDecodeParams();
+  ~JpegDecodeParams();
+
+  int32_t input_buffer_id;
+  gfx::Size coded_size;
+  base::SharedMemoryHandle input_buffer_handle;
+  uint32_t input_buffer_size;
+  base::SharedMemoryHandle output_video_frame_handle;
+  uint32_t output_buffer_size;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_JPEG_DECODE_PARAMS_H_