Implement aura::Window::CreateCompositorFrameSink()

ui/aura/local/window_port_local.h

 // Copyright 2016 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_LOCAL_H_
-#define UI_AURA_WINDOW_PORT_LOCAL_H_
+#ifndef UI_AURA_LOCAL_WINDOW_PORT_LOCAL_H_
+#define UI_AURA_LOCAL_WINDOW_PORT_LOCAL_H_
 
 #include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "cc/surfaces/frame_sink_id.h"
 #include "ui/aura/window_port.h"
 #include "ui/base/property_data.h"
 
+namespace cc {
+class SurfaceId;
+}
+
+namespace gfx {
+class Size;
+}
+
 namespace aura {
 
 class Window;
 
 // WindowPort implementation for classic aura, e.g. not mus.
 class AURA_EXPORT WindowPortLocal : public WindowPort {
  public:
   explicit WindowPortLocal(Window* window);
   ~WindowPortLocal() override;
 
   // WindowPort:
   void OnPreInit(Window* window) override;
   void OnDeviceScaleFactorChanged(float device_scale_factor) override;
   void OnWillAddChild(Window* child) override;
   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> OnCreateCompositorFrameSink()
+      override;
+  void OnWindowAddedToRootWindow() override;
+  void OnWindowRemovingFromRootWindow() override;
 
  private:
-  Window* window_;
+  void OnSurfaceChanged(const cc::SurfaceId& surface_id,
+                        const gfx::Size& surface_size);
+
+  Window* const window_;
+  cc::FrameSinkId frame_sink_id_;
+
+  base::WeakPtrFactory<WindowPortLocal> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowPortLocal);
 };
 
 }  // namespace aura
 
-#endif  // UI_AURA_WINDOW_PORT_LOCAL_H_
+#endif  // UI_AURA_LOCAL_WINDOW_PORT_LOCAL_H_