Implement aura::WindowPortMus::CreateCompositorFrameSink()

ui/aura/mus/window_port_mus.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_MUS_WINDOW_PORT_MUS_H_
 #define UI_AURA_MUS_WINDOW_PORT_MUS_H_
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/memory/weak_ptr.h"
 #include "cc/surfaces/surface_info.h"
+#include "cc/surfaces/surface_reference_factory.h"
 #include "services/ui/public/cpp/client_compositor_frame_sink.h"
 #include "services/ui/public/interfaces/cursor/cursor.mojom.h"
 #include "services/ui/public/interfaces/window_tree.mojom.h"
 #include "services/ui/public/interfaces/window_tree_constants.mojom.h"
 #include "ui/aura/aura_export.h"
 #include "ui/aura/mus/mus_types.h"
 #include "ui/aura/mus/window_mus.h"
 #include "ui/aura/window_port.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/platform_window/mojo/text_input_state.mojom.h"
@@ skipping 237 matching lines @@
                          int64_t old_value,
                          std::unique_ptr<ui::PropertyData> data) override;
   std::unique_ptr<cc::CompositorFrameSink> CreateCompositorFrameSink() override;
   cc::SurfaceId GetSurfaceId() const override;
   void OnWindowAddedToRootWindow() override {}
   void OnWillRemoveWindowFromRootWindow() override {}
 
   void UpdatePrimarySurfaceInfo();
   void UpdateClientSurfaceEmbedder();
 
+  void OnSurfaceChanged(const cc::SurfaceId& surface_id,
+                        const gfx::Size& surface_size);
+
   WindowTreeClient* window_tree_client_;
 
   Window* window_ = nullptr;
 
   // Used when this window is embedding a client.
   std::unique_ptr<ClientSurfaceEmbedder> client_surface_embedder_;
 
   ServerChangeIdType next_server_change_id_ = 0;
   ServerChanges server_changes_;
 
   cc::FrameSinkId frame_sink_id_;
   base::Closure pending_compositor_frame_sink_request_;
 
   cc::SurfaceInfo primary_surface_info_;
   cc::SurfaceInfo fallback_surface_info_;
 
   cc::LocalSurfaceId local_surface_id_;
   cc::LocalSurfaceIdAllocator local_surface_id_allocator_;
   gfx::Size last_surface_size_;
 
   ui::CursorData cursor_;
 
+  scoped_refptr<cc::SurfaceReferenceFactory> ref_factory_;
+
+  base::WeakPtrFactory<WindowPortMus> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(WindowPortMus);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_MUS_WINDOW_PORT_MUS_H_