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