// Copyright 2013 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 EXTENSIONS_BROWSER_UPDATE_OBSERVER_H_ #define EXTENSIONS_BROWSER_UPDATE_OBSERVER_H_ #include <string> namespace extensions { class Extension; class UpdateObserver { public: // Invoked when an app update is available. virtual void OnAppUpdateAvailable(const Extension* extension) = 0; // Invoked when Chrome update is available. virtual void OnChromeUpdateAvailable() = 0; protected: virtual ~UpdateObserver() {} }; } // namespace extensions #endif // EXTENSIONS_BROWSER_UPDATE_OBSERVER_H_