Fix failing policy_prefs_ui tests

chrome/browser/resources/options/options_page.js

 // Copyright (c) 2011 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('options', function() {
   /////////////////////////////////////////////////////////////////////////////
   // OptionsPage class:
 
   /**
    * Base class for options page.
@@ skipping 839 matching lines @@
      * all input fields of a window and if any of these is marked as managed
      * it triggers the managed banner to be visible. The banner can be enforced
      * being on through the managed flag of this class but it can not be forced
      * being off if managed items exist.
      */
     updateManagedBannerVisibility: function() {
       var bannerDiv = $('managed-prefs-banner');
 
       var controlledByPolicy = false;
       var controlledByExtension = false;
-      var inputElements = this.pageDiv.querySelectorAll('input[controlledBy]');
+      var inputElements = this.pageDiv.querySelectorAll('input[controlled-by]');
       for (var i = 0, len = inputElements.length; i < len; i++) {
         if (inputElements[i].controlledBy == 'policy')
           controlledByPolicy = true;
         else if (inputElements[i].controlledBy == 'extension')
           controlledByExtension = true;
       }
       if (!controlledByPolicy && !controlledByExtension) {
         bannerDiv.hidden = true;
         $('subpage-backdrop').style.top = '0';
       } else {
@@ skipping 186 matching lines @@
     canShowPage: function() {
       return true;
     },
   };
 
   // Export
   return {
     OptionsPage: OptionsPage
   };
 });