1 // Copyright 2015 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.
5 this.onsync = function(event) {
6 if (!('waitUntil' in event)) {
7 console.log("waitUntil missing on event");
10 event.waitUntil(new Promise(function(resolve, reject) {
11 setTimeout(function() {
12 console.log('Fulfilling onsync event');