| // 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 SERVICES_WINDOW_MANAGER_CAPTURE_CONTROLLER_OBSERVER_H_ | 
 | #define SERVICES_WINDOW_MANAGER_CAPTURE_CONTROLLER_OBSERVER_H_ | 
 |  | 
 | namespace window_manager { | 
 |  | 
 | class CaptureControllerObserver { | 
 |  public: | 
 |   virtual void OnCaptureChanged(mojo::View* gained_capture) = 0; | 
 |  | 
 |  protected: | 
 |   virtual ~CaptureControllerObserver() {} | 
 | }; | 
 |  | 
 | }  // namespace window_manager | 
 |  | 
 | #endif // SERVICES_WINDOW_MANAGER_CAPTURE_CONTROLLER_OBSERVER_H_ |