Pass a TimeTicks along video capture pipeline to represent capture time

content/renderer/media/video_capture_impl.cc

Index: content/renderer/media/video_capture_impl.cc
diff --git a/content/renderer/media/video_capture_impl.cc b/content/renderer/media/video_capture_impl.cc
index 122fc06787ecb954884bb3180269df58752081cd..ae269d19db3d9c4e6b58450fa8aacbd7cac4e608 100644
--- a/content/renderer/media/video_capture_impl.cc
+++ b/content/renderer/media/video_capture_impl.cc
@@ -251,7 +251,7 @@ void VideoCaptureImpl::OnBufferReceived(int buffer_id,
 
   for (ClientInfoMap::iterator it = clients_.begin(); it != clients_.end();
        ++it) {
-    it->second.deliver_frame_cb.Run(frame, format);
+    it->second.deliver_frame_cb.Run(frame, format, first_frame_timestamp_);
   }
 }
 
@@ -289,7 +289,7 @@ void VideoCaptureImpl::OnMailboxBufferReceived(
 
   for (ClientInfoMap::iterator it = clients_.begin(); it != clients_.end();
        ++it) {
-    it->second.deliver_frame_cb.Run(frame, format);
+    it->second.deliver_frame_cb.Run(frame, format, first_frame_timestamp_);
   }
 }