HW Video: Make media::VideoFrame handle the sync point of the compositor as well as webgl

content/browser/renderer_host/media/video_capture_host.h

Index: content/browser/renderer_host/media/video_capture_host.h
diff --git a/content/browser/renderer_host/media/video_capture_host.h b/content/browser/renderer_host/media/video_capture_host.h
index 89dd1d64ed1d68fc72cd3cf8143fff8dcc38084f..25d69470e536fd5af4a0575daa4e20c896ca2978 100644
--- a/content/browser/renderer_host/media/video_capture_host.h
+++ b/content/browser/renderer_host/media/video_capture_host.h
@@ -125,7 +125,9 @@ class CONTENT_EXPORT VideoCaptureHost
 
   // IPC message: Receive an empty buffer from renderer. Send it to device
   // referenced by |device_id|.
-  void OnReceiveEmptyBuffer(int device_id, int buffer_id, uint32 sync_point);
+  void OnReceiveEmptyBuffer(int device_id,
+                            int buffer_id,
+                            const std::vector<uint32>& sync_points);
 
   // IPC message: Get supported formats referenced by |capture_session_id|.
   // |device_id| is needed for message back-routing purposes.