chromium/chrome/test/data/extensions/api_test/lazy_background_page/on_unload/background.js

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

chrome.browserAction.setTitle({title: "Failure"});
chrome.runtime.onSuspend.addListener(function() {
  chrome.browserAction.setTitle({title: "Success"});
});