root/ash/system/chromeos/session/last_window_closed_observer.h

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INCLUDED FROM

// 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 ASH_SYSTEM_CHROMEOS_SESSION_LAST_WINDOW_CLOSED_OBSERVER_H_
#define ASH_SYSTEM_CHROMEOS_SESSION_LAST_WINDOW_CLOSED_OBSERVER_H_

namespace ash {

class LastWindowClosedObserver {
 public:
  virtual void OnLastWindowClosed() = 0;

 protected:
  virtual ~LastWindowClosedObserver() {}
};

}  // namespace ash

#endif  // ASH_SYSTEM_CHROMEOS_SESSION_LAST_WINDOW_CLOSED_OBSERVER_H_
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