Passing FrameSinkId to WindowCompositorFrameSink

ui/aura/mus/window_compositor_frame_sink.h

Index: ui/aura/mus/window_compositor_frame_sink.h
diff --git a/ui/aura/mus/window_compositor_frame_sink.h b/ui/aura/mus/window_compositor_frame_sink.h
index ad367ca60ec523b59a17ad7421acb6ae3e99a182..d3550ea1e6031bb725ee46f392056243266e9d5a 100644
--- a/ui/aura/mus/window_compositor_frame_sink.h
+++ b/ui/aura/mus/window_compositor_frame_sink.h
@@ -24,6 +24,7 @@ class WindowCompositorFrameSink
  public:
   // static
   static std::unique_ptr<WindowCompositorFrameSink> Create(
+      const cc::FrameSinkId& frame_sink_id,
       scoped_refptr<cc::ContextProvider> context_provider,
       gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
       std::unique_ptr<WindowCompositorFrameSinkBinding>*
@@ -38,6 +39,7 @@ class WindowCompositorFrameSink
 
  private:
   WindowCompositorFrameSink(
+      const cc::FrameSinkId& frame_sink_id,
       scoped_refptr<cc::ContextProvider> context_provider,
       gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
       cc::mojom::MojoCompositorFrameSinkPtrInfo compositor_frame_sink_info,
@@ -62,6 +64,7 @@ class WindowCompositorFrameSink
   std::unique_ptr<mojo::Binding<cc::mojom::MojoCompositorFrameSinkClient>>
       client_binding_;
   std::unique_ptr<base::ThreadChecker> thread_checker_;
+  const cc::FrameSinkId frame_sink_id_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowCompositorFrameSink);
 };