Add video-rendering to mojo media pipeline.

media/filters/pipeline_controller.cc

Index: media/filters/pipeline_controller.cc
diff --git a/media/filters/pipeline_controller.cc b/media/filters/pipeline_controller.cc
index 4c7a896efea2b4b88c1148169ae81d7a78ea08e3..b4940227f77d1e952f4b241b645cb5d04f524b5c 100644
--- a/media/filters/pipeline_controller.cc
+++ b/media/filters/pipeline_controller.cc
@@ -43,6 +43,7 @@ void PipelineController::Start(
     const base::Closure& ended_cb,
     const PipelineMetadataCB& metadata_cb,
     const BufferingStateCB& buffering_state_cb,
+    const NaturalSizeChangedCB& natural_size_changed_cb,
     const base::Closure& duration_change_cb,
     const AddTextTrackCB& add_text_track_cb,
     const base::Closure& waiting_for_decryption_key_cb) {
@@ -63,8 +64,8 @@ void PipelineController::Start(
       BindToCurrentLoop(error_cb_),
       BindToCurrentLoop(base::Bind(&PipelineController::OnPipelineStatus,
                                    weak_factory_.GetWeakPtr(), State::PLAYING)),
-      metadata_cb, buffering_state_cb, duration_change_cb, add_text_track_cb,
-      waiting_for_decryption_key_cb);
+      metadata_cb, buffering_state_cb, natural_size_changed_cb,
+      duration_change_cb, add_text_track_cb, waiting_for_decryption_key_cb);
 }
 
 void PipelineController::Seek(base::TimeDelta time, bool time_updated) {