Implement aura::WindowPortMus::CreateCompositorFrameSink()

ui/aura/window_port_for_shutdown.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_AURA_WINDOW_PORT_FOR_SHUTDOWN_H_
 #define UI_AURA_WINDOW_PORT_FOR_SHUTDOWN_H_
 
 #include "ui/aura/window_port.h"
 
 namespace aura {
@@ skipping 15 matching lines @@
   void OnWillRemoveChild(Window* child) override;
   void OnWillMoveChild(size_t current_index, size_t dest_index) override;
   void OnVisibilityChanged(bool visible) override;
   void OnDidChangeBounds(const gfx::Rect& old_bounds,
                          const gfx::Rect& new_bounds) override;
   std::unique_ptr<ui::PropertyData> OnWillChangeProperty(
       const void* key) override;
   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;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WindowPortForShutdown);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_PORT_FOR_SHUTDOWN_H_