Remove more label for= use.

chrome/browser/ui/webui/options/settings_format_browsertest.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.
 
 /**
  * TestFixture for testing the formatting of settings pages.
  * @extends {testing.Test}
  * @constructor
  */
 function SettingsFormatWebUITest() {}
@@ skipping 114 matching lines @@
     var element = elements[i];
     if (!findAncestorByClass(element, element.type))
       this.fail('MISSING_CHECK_WRAPPER', element, element.type);
   }
 });
 
 /**
  * Each checkbox requires an id or pref property.
  */
 TEST_F('SettingsFormatWebUITest', 'CheckboxIdOrPrefCheck', function() {
-  var query = 'input[type=checkbox]:not([pref]):not([id])';
+  var query =
+      'input[type=checkbox]:not([pref]):not([id]):not(.spacer-checkbox)';
   var elements = document.querySelectorAll(query);
   for (var i = 0; i < elements.length; i++) {
     var element = elements[i];
     if (!this.isExempt(element, SettingsFormatWebUITest.Filters['pref']))
       this.fail('MISSING_ID_OR_PREF', element);
   }
 });
 
 /**
  * Each radio button requires name and value properties.
  */
 TEST_F('SettingsFormatWebUITest', 'RadioButtonNameValueCheck', function() {
   var elements = document.querySelectorAll('input[type=radio]');
   for (var i = 0; i < elements.length; i++) {
     var element = elements[i];
     if (!element.name)
       this.fail('MISSING_RADIO_BUTTON_NAME', element);
 
     if (!element.getAttribute('value'))
       this.fail('MISSING_RADIO_BUTTON_VALUE', element);
   }
 });