ash/system/chromeos/session/last_window_closed_observer.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ASH_SYSTEM_CHROMEOS_SESSION_LAST_WINDOW_CLOSED_OBSERVER_H_
   6 #define ASH_SYSTEM_CHROMEOS_SESSION_LAST_WINDOW_CLOSED_OBSERVER_H_
   7
   8 namespace ash {
   9
  10 class LastWindowClosedObserver {
  11  public:
  12   virtual void OnLastWindowClosed() = 0;
  13
  14  protected:
  15   virtual ~LastWindowClosedObserver() {}
  16 };
  17
  18 }  // namespace ash
  19
  20 #endif  // ASH_SYSTEM_CHROMEOS_SESSION_LAST_WINDOW_CLOSED_OBSERVER_H_