| // Copyright 2014 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 SKY_COMPOSITOR_LAYER_HOST_CLIENT_H_ | 
 | #define SKY_COMPOSITOR_LAYER_HOST_CLIENT_H_ | 
 |  | 
 | #include "base/time/time.h" | 
 | #include "mojo/services/surfaces/public/interfaces/surface_id.mojom.h" | 
 |  | 
 | namespace mojo { | 
 | class Shell; | 
 | } | 
 |  | 
 | namespace sky { | 
 |  | 
 | class LayerHostClient { | 
 |  public: | 
 |   virtual mojo::Shell* GetShell() = 0; | 
 |   virtual void BeginFrame(base::TimeTicks frame_time) = 0; | 
 |   virtual void OnSurfaceIdAvailable(mojo::SurfaceIdPtr surface_id) = 0; | 
 |  | 
 |  protected: | 
 |   virtual ~LayerHostClient(); | 
 | }; | 
 |  | 
 | }  // namespace sky | 
 |  | 
 | #endif  // SKY_COMPOSITOR_LAYER_HOST_CLIENT_H_ |