Implement aura::WindowPortMus::CreateCompositorFrameSink()

services/ui/public/cpp/client_compositor_frame_sink.h

Index: services/ui/public/cpp/client_compositor_frame_sink.h
diff --git a/services/ui/public/cpp/client_compositor_frame_sink.h b/services/ui/public/cpp/client_compositor_frame_sink.h
index af5f13a09c3af064a5a3ff992b1b2d64f5e8922d..7b7789f1a9def907c50456ab10dc2496f98ad531 100644
--- a/services/ui/public/cpp/client_compositor_frame_sink.h
+++ b/services/ui/public/cpp/client_compositor_frame_sink.h
@@ -5,6 +5,7 @@
 #ifndef SERVICES_UI_PUBLIC_CPP_WINDOW_COMPOSITOR_FRAME_SINK_H_
 #define SERVICES_UI_PUBLIC_CPP_WINDOW_COMPOSITOR_FRAME_SINK_H_
 
+#include "base/callback.h"
 #include "base/macros.h"
 #include "cc/ipc/mojo_compositor_frame_sink.mojom.h"
 #include "cc/output/compositor_frame_sink.h"
@@ -25,7 +26,6 @@ class ClientCompositorFrameSink
  public:
   // static
   static std::unique_ptr<ClientCompositorFrameSink> Create(
-      const cc::FrameSinkId& frame_sink_id,
       scoped_refptr<cc::ContextProvider> context_provider,
       gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
       std::unique_ptr<ClientCompositorFrameSinkBinding>*
@@ -33,6 +33,11 @@ class ClientCompositorFrameSink
 
   ~ClientCompositorFrameSink() override;
 
+  using SurfaceChangedCallback =
+      base::Callback<void(const cc::LocalSurfaceId&, const gfx::Size&)>;
+  // Set a callback which will be called when the surface is changed.
+  void SetSurfaceChangedCallback(const SurfaceChangedCallback& callback);
+
   // cc::CompositorFrameSink implementation.
   bool BindToClient(cc::CompositorFrameSinkClient* client) override;
   void DetachFromClient() override;
@@ -41,7 +46,6 @@ class ClientCompositorFrameSink
 
  private:
   ClientCompositorFrameSink(
-      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,
@@ -67,8 +71,8 @@ class ClientCompositorFrameSink
   std::unique_ptr<mojo::Binding<cc::mojom::MojoCompositorFrameSinkClient>>
       client_binding_;
   std::unique_ptr<base::ThreadChecker> thread_checker_;
-  const cc::FrameSinkId frame_sink_id_;
   bool enable_surface_synchronization_ = false;
+  SurfaceChangedCallback surface_changed_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientCompositorFrameSink);
 };