Revert of Enable a11y audit for chrome://settings

ui/webui/resources/js/util.js

 // Copyright (c) 2012 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.
 
 <include src="assert.js">
 
 /**
  * Alias for document.getElementById.
  * @param {string} id The ID of the element to find.
  * @return {HTMLElement} The found element or null if not found.
@@ skipping 365 matching lines @@
  *     webkitTransitionEnd to happen.
  */
 function ensureTransitionEndEvent(el, timeOut) {
   var fired = false;
   el.addEventListener('webkitTransitionEnd', function f(e) {
     el.removeEventListener('webkitTransitionEnd', f);
     fired = true;
   });
   window.setTimeout(function() {
     if (!fired)
-      cr.dispatchSimpleEvent(el, 'webkitTransitionEnd', true);
+      cr.dispatchSimpleEvent(el, 'webkitTransitionEnd');
   }, timeOut);
 }
 
 /**
  * Alias for document.scrollTop getter.
  * @param {!HTMLDocument} doc The document node where information will be
  *     queried from.
  * @return {number} The Y document scroll offset.
  */
 function scrollTopForDocument(doc) {
@@ skipping 50 matching lines @@
  * @param {number} maxLength The maximum length allowed for the string.
  * @return {string} The original string if its length does not exceed
  *     |maxLength|. Otherwise the first |maxLength| - 1 characters with '...'
  *     appended.
  */
 function elide(original, maxLength) {
   if (original.length <= maxLength)
     return original;
   return original.substring(0, maxLength - 1) + '\u2026';
 }