Implement aura::WindowPortMus::CreateCompositorFrameSink()

ui/aura/mus/window_port_mus.h

Index: ui/aura/mus/window_port_mus.h
diff --git a/ui/aura/mus/window_port_mus.h b/ui/aura/mus/window_port_mus.h
index 4b217023c5784aba7d2907ba5db25d9483a44b3d..85747eb921523f937a1736b5c0766897b0be7139 100644
--- a/ui/aura/mus/window_port_mus.h
+++ b/ui/aura/mus/window_port_mus.h
@@ -76,10 +76,6 @@ class AURA_EXPORT WindowPortMus : public WindowPort, public WindowMus {
              uint32_t flags,
              const ui::mojom::WindowTree::EmbedCallback& callback);
 
-  std::unique_ptr<cc::CompositorFrameSink> RequestCompositorFrameSink(
-      scoped_refptr<cc::ContextProvider> context_provider,
-      gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager);
-
   void AttachCompositorFrameSink(
       std::unique_ptr<ui::ClientCompositorFrameSinkBinding>
           compositor_frame_sink_binding);
@@ -254,7 +250,9 @@ class AURA_EXPORT WindowPortMus : public WindowPort, public WindowMus {
   void OnPropertyChanged(const void* key,
                          int64_t old_value,
                          std::unique_ptr<ui::PropertyData> data) override;
-  std::unique_ptr<cc::CompositorFrameSink> CreateCompositorFrameSink() override;
+  std::unique_ptr<cc::CompositorFrameSink> CreateCompositorFrameSink(
+      scoped_refptr<cc::ContextProvider> context_provider,
+      gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager) override;
   cc::SurfaceId GetSurfaceId() const override;
   void OnWindowAddedToRootWindow() override {}
   void OnWillRemoveWindowFromRootWindow() override {}