1// Copyright 2013 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 EXTENSIONS_BROWSER_UPDATE_OBSERVER_H_ 6#define EXTENSIONS_BROWSER_UPDATE_OBSERVER_H_ 7 8#include <string> 9 10namespace extensions { 11class Extension; 12 13class UpdateObserver { 14 public: 15 // Invoked when an app update is available. 16 virtual void OnAppUpdateAvailable(const Extension* extension) = 0; 17 18 // Invoked when Chrome update is available. 19 virtual void OnChromeUpdateAvailable() = 0; 20 21 protected: 22 virtual ~UpdateObserver() {} 23}; 24 25} // namespace extensions 26 27#endif // EXTENSIONS_BROWSER_UPDATE_OBSERVER_H_ 28