VideoCapture: migrate last Renderer-->Host msg and start Host-->Renderer migration

content/common/media/video_capture_messages.h

 // Copyright (c) 2012 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 "base/memory/shared_memory.h"
 #include "content/common/content_export.h"
 #include "content/common/media/video_capture.h"
 #include "content/public/common/common_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "media/base/video_capture_types.h"
 #include "media/base/video_frame.h"
-#include "ui/gfx/gpu_memory_buffer.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 #define IPC_MESSAGE_START VideoCaptureMsgStart
 
-IPC_ENUM_TRAITS_MAX_VALUE(content::VideoCaptureState,
-                          content::VIDEO_CAPTURE_STATE_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(media::VideoFrame::StorageType,
                           media::VideoFrame::STORAGE_LAST)
 
 IPC_STRUCT_BEGIN(VideoCaptureMsg_BufferReady_Params)
   IPC_STRUCT_MEMBER(int, device_id)
   IPC_STRUCT_MEMBER(int, buffer_id)
   IPC_STRUCT_MEMBER(base::TimeDelta, timestamp)
   IPC_STRUCT_MEMBER(base::DictionaryValue, metadata)
   IPC_STRUCT_MEMBER(media::VideoPixelFormat, pixel_format)
   IPC_STRUCT_MEMBER(media::VideoFrame::StorageType, storage_type)
   IPC_STRUCT_MEMBER(gfx::Size, coded_size)
   IPC_STRUCT_MEMBER(gfx::Rect, visible_rect)
 IPC_STRUCT_END()
 
 // TODO(nick): device_id in these messages is basically just a route_id. We
 // should shift to IPC_MESSAGE_ROUTED and use MessageRouter in the filter impls.
 
-// Notify the renderer process about the state update such as
-// Start/Pause/Stop.
-IPC_MESSAGE_CONTROL2(VideoCaptureMsg_StateChanged,
-                     int /* device id */,
-                     content::VideoCaptureState /* new state */)
-
 // Tell the renderer process that a new buffer is allocated for video capture.
 IPC_MESSAGE_CONTROL4(VideoCaptureMsg_NewBuffer,
                      int /* device id */,
                      base::SharedMemoryHandle /* handle */,
                      int /* length */,
                      int /* buffer_id */)
 
 // Tell the renderer process that it should release a buffer previously
 // allocated by VideoCaptureMsg_NewBuffer.
 IPC_MESSAGE_CONTROL2(VideoCaptureMsg_FreeBuffer,
                      int /* device id */,
                      int /* buffer_id */)
 
 // Tell the renderer process that a Buffer is available from video capture, and
 // send the associated VideoFrame constituent parts as IPC parameters.
 IPC_MESSAGE_CONTROL1(VideoCaptureMsg_BufferReady,
                      VideoCaptureMsg_BufferReady_Params)
-
-// Tell the browser process that the renderer has finished reading from
-// a buffer previously delivered by VideoCaptureMsg_BufferReady.
-IPC_MESSAGE_CONTROL4(VideoCaptureHostMsg_BufferReady,
-                     int /* device_id */,
-                     int /* buffer_id */,
-                     gpu::SyncToken /* sync_token */,
-                     double /* consumer_resource_utilization */)