use control message instead of routed for video capture

content/common/media/video_capture_messages.h

Index: content/common/media/video_capture_messages.h
===================================================================
--- content/common/media/video_capture_messages.h	(revision 89543)
+++ content/common/media/video_capture_messages.h	(working copy)
@@ -19,43 +19,43 @@
 
 // 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 */)