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.
5 var target = document.body;
6 var callback = arguments[arguments.length - 1]
8 var timeout_id = setTimeout(function() {
12 var observer = new MutationObserver(function(mutations) {
13 clearTimeout(timeout_id);
14 timeout_id = setTimeout(function() {
17 }).observe(target, {attributes: true, childList: true,
18 characterData: true, subtree: true});