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
8namespace ash {
9
10class 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_
21