| Index: components/viz/frame_sinks/mojo_frame_sink_manager.h | 
| diff --git a/components/viz/frame_sinks/mojo_frame_sink_manager.h b/components/viz/frame_sinks/mojo_frame_sink_manager.h | 
| index 2539862e624aaa0be2ebb362a2758038c34198f0..07df39e38b4d21ce23239497a137ab0f7f6044c5 100644 | 
| --- a/components/viz/frame_sinks/mojo_frame_sink_manager.h | 
| +++ b/components/viz/frame_sinks/mojo_frame_sink_manager.h | 
| @@ -94,6 +94,9 @@ class VIZ_EXPORT MojoFrameSinkManager | 
| // access to a valid pointer for the entirety of their lifetimes. | 
| cc::SurfaceManager manager_; | 
|  | 
| +  std::unique_ptr<cc::BeginFrameSource> begin_frame_source_; | 
| +  std::unique_ptr<cc::SurfaceDependencyTracker> dependency_tracker_; | 
| + | 
| // Provides a cc::Display for CreateRootCompositorFrameSink(). | 
| DisplayProvider* const display_provider_; | 
|  | 
|  |