Pass a TimeTicks along video capture pipeline to represent capture time

content/renderer/media/mock_media_stream_video_sink.cc

Index: content/renderer/media/mock_media_stream_video_sink.cc
diff --git a/content/renderer/media/mock_media_stream_video_sink.cc b/content/renderer/media/mock_media_stream_video_sink.cc
index 638c897535ff1fbb5d047badd22fd1a6609e8615..8f2fd25fda8b8d7bab03517b6d1ac65db2fdbf50 100644
--- a/content/renderer/media/mock_media_stream_video_sink.cc
+++ b/content/renderer/media/mock_media_stream_video_sink.cc
@@ -29,7 +29,8 @@ MockMediaStreamVideoSink::GetDeliverFrameCB() {
 
 void MockMediaStreamVideoSink::DeliverVideoFrame(
     const scoped_refptr<media::VideoFrame>& frame,
-    const media::VideoCaptureFormat& format) {
+    const media::VideoCaptureFormat& format,
+    const base::TimeTicks& start_ticks) {
   ++number_of_frames_;
   format_ = frame->format();
   frame_size_ = frame->natural_size();