Video capture frame size: separate coded size and visible size.

content/common/media/video_capture_messages.h

Index: content/common/media/video_capture_messages.h
diff --git a/content/common/media/video_capture_messages.h b/content/common/media/video_capture_messages.h
index abfc46c17dcbeb8ccd48681d4a5f223cd2049a42..aa4907f5d3d9e7214259e53d3048a297b8900be2 100644
--- a/content/common/media/video_capture_messages.h
+++ b/content/common/media/video_capture_messages.h
@@ -45,10 +45,11 @@ IPC_MESSAGE_CONTROL2(VideoCaptureMsg_FreeBuffer,
                      int /* buffer_id */)
 
 // Tell the renderer process that a buffer is available from video capture.
-IPC_MESSAGE_CONTROL4(VideoCaptureMsg_BufferReady,
+IPC_MESSAGE_CONTROL5(VideoCaptureMsg_BufferReady,
                      int /* device id */,
                      int /* buffer_id */,
                      media::VideoCaptureFormat /* format */,
+                     gfx::Rect /* visible_rect */,
                      base::TimeTicks /* timestamp */)
 
 // Tell the renderer process that a texture mailbox buffer is available from