Move GPU messages to content. I've also switched the IPC structs to use the ...

chrome/common/gpu_video_common.h

-// Copyright (c) 2010 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 CHROME_COMMON_GPU_VIDEO_COMMON_H_
-#define CHROME_COMMON_GPU_VIDEO_COMMON_H_
-
-#include "base/basictypes.h"
-#include "base/shared_memory.h"
-#include "chrome/common/common_param_traits.h"
-#include "media/base/video_frame.h"
-
-// This is used in messages when only buffer flag is meaningful.
-extern const int32 kGpuVideoInvalidFrameId;
-
-// Flags assigned to a video buffer for both input and output.
-enum GpuVideoBufferFlag {
-  kGpuVideoEndOfStream = 1 << 0,
-  kGpuVideoDiscontinuous = 1 << 1,
-};
-
-struct GpuVideoDecoderInitParam {
-  int32 codec_id;
-  int32 width;
-  int32 height;
-  int32 profile;
-  int32 level;
-  int32 frame_rate_den;
-  int32 frame_rate_num;
-  int32 aspect_ratio_den;
-  int32 aspect_ratio_num;
-};
-
-struct GpuVideoDecoderInitDoneParam {
-  int32 success;  // other parameter is only meaningful when this is true.
-  int32 input_buffer_size;
-  base::SharedMemoryHandle input_buffer_handle;
-};
-
-struct GpuVideoDecoderInputBufferParam {
-  int64 timestamp;  // In unit of microseconds.
-  int32 offset;
-  int32 size;
-  int32 flags;  // Miscellaneous flag bit mask.
-};
-
-struct GpuVideoDecoderErrorInfoParam {
-  int32 error_id;  // TODO(jiesun): define enum.
-};
-
-// TODO(jiesun): define this.
-struct GpuVideoDecoderFormatChangeParam {
-  int32 input_buffer_size;
-  base::SharedMemoryHandle input_buffer_handle;
-};
-
-namespace IPC {
-
-template <>
-struct ParamTraits<GpuVideoDecoderInitParam> {
-  typedef GpuVideoDecoderInitParam param_type;
-  static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, void** iter, param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-template <>
-struct ParamTraits<GpuVideoDecoderInitDoneParam> {
-  typedef GpuVideoDecoderInitDoneParam param_type;
-  static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, void** iter, param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-template <>
-struct ParamTraits<GpuVideoDecoderInputBufferParam> {
-  typedef GpuVideoDecoderInputBufferParam param_type;
-  static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, void** iter, param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-template <>
-struct ParamTraits<GpuVideoDecoderErrorInfoParam> {
-  typedef GpuVideoDecoderErrorInfoParam param_type;
-  static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, void** iter, param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-template <>
-struct ParamTraits<GpuVideoDecoderFormatChangeParam> {
-  typedef GpuVideoDecoderFormatChangeParam param_type;
-  static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, void** iter, param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-template <>
-struct ParamTraits<media::VideoFrame::Format> {
-  typedef media::VideoFrame::Format 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  // CHROME_COMMON_GPU_VIDEO_COMMON_H_