Implement aura::Window::CreateCompositorFrameSink()

cc/output/compositor_frame_sink.cc

 // Copyright (c) 2013 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.
 
 #include "cc/output/compositor_frame_sink.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 59 matching lines @@
 
   if (context_provider_.get()) {
     context_provider_->SetLostContextCallback(
         ContextProvider::LostContextCallback());
   }
   // Destroy the ContextProvider on the bound thread.
   context_provider_ = nullptr;
   client_ = nullptr;
 }
 
+SurfaceId CompositorFrameSink::GetSurfaceId() const {
+  return SurfaceId();
+}
+
 void CompositorFrameSink::DidLoseCompositorFrameSink() {
   TRACE_EVENT0("cc", "CompositorFrameSink::DidLoseCompositorFrameSink");
   client_->DidLoseCompositorFrameSink();
 }
 
 }  // namespace cc