use control message instead of routed for video capture

content/common/media/video_capture_messages.h

 // 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.
 
 #include "content/common/common_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "media/video/capture/video_capture.h"
 
 #define IPC_MESSAGE_START VideoCaptureMsgStart
 
 IPC_ENUM_TRAITS(media::VideoCapture::State)
 
 IPC_STRUCT_TRAITS_BEGIN(media::VideoCaptureParams)
   IPC_STRUCT_TRAITS_MEMBER(width)
   IPC_STRUCT_TRAITS_MEMBER(height)
   IPC_STRUCT_TRAITS_MEMBER(frame_per_second)
   IPC_STRUCT_TRAITS_MEMBER(session_id)
 IPC_STRUCT_TRAITS_END()
 
 // Notify the renderer process about the state update such as
 // Start/Pause/Stop.
-IPC_MESSAGE_ROUTED2(VideoCaptureMsg_StateChanged,
-                    int /* device id */,
-                    media::VideoCapture::State /* new state */)
+IPC_MESSAGE_CONTROL2(VideoCaptureMsg_StateChanged,
+                     int /* device id */,
+                     media::VideoCapture::State /* new state */)
 
 // Tell the renderer process that a new buffer is allocated for video capture.
-IPC_MESSAGE_ROUTED4(VideoCaptureMsg_NewBuffer,
-                    int /* device id */,
-                    base::SharedMemoryHandle /* handle */,
-                    int /* length */,
-                    int /* buffer_id */)
+IPC_MESSAGE_CONTROL4(VideoCaptureMsg_NewBuffer,
+                     int /* device id */,
+                     base::SharedMemoryHandle /* handle */,
+                     int /* length */,
+                     int /* buffer_id */)
 
 // Tell the renderer process that a buffer is available from video capture.
-IPC_MESSAGE_ROUTED3(VideoCaptureMsg_BufferReady,
-                    int /* device id */,
-                    int /* buffer_id */,
-                    base::Time /* timestamp */)
+IPC_MESSAGE_CONTROL3(VideoCaptureMsg_BufferReady,
+                     int /* device id */,
+                     int /* buffer_id */,
+                     base::Time /* timestamp */)
 
 // Tell the renderer process the width, height and frame rate the camera use.
-IPC_MESSAGE_ROUTED2(VideoCaptureMsg_DeviceInfo,
-                    int /* device_id */,
-                    media::VideoCaptureParams)
+IPC_MESSAGE_CONTROL2(VideoCaptureMsg_DeviceInfo,
+                     int /* device_id */,
+                     media::VideoCaptureParams)
 
 // Start the video capture specified by (routing_id, device_id).
-IPC_MESSAGE_ROUTED2(VideoCaptureHostMsg_Start,
-                    int /* device_id */,
-                    media::VideoCaptureParams)
+IPC_MESSAGE_CONTROL2(VideoCaptureHostMsg_Start,
+                     int /* device_id */,
+                     media::VideoCaptureParams)
 
 // Pause the video capture specified by (routing_id, device_id).
-IPC_MESSAGE_ROUTED1(VideoCaptureHostMsg_Pause,
-                    int /* device_id */)
+IPC_MESSAGE_CONTROL1(VideoCaptureHostMsg_Pause,
+                     int /* device_id */)
 
 // Close the video capture specified by (routing_id, device_id).
-IPC_MESSAGE_ROUTED1(VideoCaptureHostMsg_Stop,
-                    int /* device_id */)
+IPC_MESSAGE_CONTROL1(VideoCaptureHostMsg_Stop,
+                     int /* device_id */)
 
 // Tell the browser process that the video frame buffer |handle| is ready for
 // device (routing_id, device_id) to fill up.
-IPC_MESSAGE_ROUTED2(VideoCaptureHostMsg_BufferReady,
-                    int /* device_id */,
-                    int /* buffer_id */)
+IPC_MESSAGE_CONTROL2(VideoCaptureHostMsg_BufferReady,
+                     int /* device_id */,
+                     int /* buffer_id */)