Reduce usage of webkit CSS prefixes in chrome/browser/resources

chrome/browser/resources/supervised_user_internals.js

 // Copyright 2015 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.
 
 cr.define('chrome.supervised_user_internals', function() {
   'use strict';
 
   function initialize() {
     function submitURL(event) {
       $('try-url-result').textContent = '';
@@ skipping 17 matching lines @@
     function clearHighlight() {
       this.removeAttribute('highlighted');
     }
 
     var oldStr = oldVal.toString();
     var newStr = newVal.toString();
     if (oldStr != '' && oldStr != newStr) {
       // Note the addListener function does not end up creating duplicate
       // listeners.  There can be only one listener per event at a time.
       // See https://developer.mozilla.org/en/DOM/element.addEventListener
-      node.addEventListener('webkitAnimationEnd', clearHighlight, false);
+      node.addEventListener('animationend', clearHighlight, false);
       node.setAttribute('highlighted', '');
     }
   }
 
   function receiveBasicInfo(info) {
     jstProcess(new JsEvalContext(info), $('basic-info'));
 
     // Hack: Schedule another refresh after a while.
     // TODO(treib): Get rid of this once we're properly notified of all
     // relevant changes.
@@ skipping 73 matching lines @@
     highlightIfChanged: highlightIfChanged,
     receiveBasicInfo: receiveBasicInfo,
     receiveUserSettings: receiveUserSettings,
     receiveTryURLResult: receiveTryURLResult,
     receiveFilteringResult: receiveFilteringResult,
   };
 });
 
 document.addEventListener('DOMContentLoaded',
                           chrome.supervised_user_internals.initialize);