1// Copyright (c) 2012 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 CHROME_BROWSER_UI_ASH_APP_SYNC_UI_STATE_OBSERVER_H_ 6#define CHROME_BROWSER_UI_ASH_APP_SYNC_UI_STATE_OBSERVER_H_ 7 8class AppSyncUIStateObserver { 9 public: 10 // Invoked when the UI status of app sync has changed. 11 virtual void OnAppSyncUIStatusChanged() = 0; 12 13 protected: 14 virtual ~AppSyncUIStateObserver() {} 15}; 16 17#endif // CHROME_BROWSER_UI_ASH_APP_SYNC_UI_STATE_OBSERVER_H_ 18