Fix JavaScript errors in options2

chrome/browser/resources/options2/advanced_options.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.
 
 cr.define('options', function() {
 
   var OptionsPage = options.OptionsPage;
 
   //
   // AdvancedOptions class
@@ skipping 261 matching lines @@
         if ($('Custom'))
           selectCtl.remove($('Custom').index);
         return;
       }
     }
 
     // Add/Select Custom Option in the font size label list.
     if (!$('Custom')) {
       var option = new Option(localStrings.getString('fontSizeLabelCustom'),
                               -1, false, true);
-      option.setAttribute("id", "Custom");
+      option.setAttribute('id', 'Custom');
       selectCtl.add(option);
     }
     $('Custom').selected = true;
   };
 
   /**
     * Populate the page zoom selector with values received from the caller.
     * @param {Array} items An array of items to populate the selector.
     *     each object is an array with three elements as follows:
     *       0: The title of the item (string).
@@ skipping 156 matching lines @@
     if (device.pairing)
       BluetoothPairing.showDialog(device);
   };
 
   // Export
   return {
     AdvancedOptions: AdvancedOptions
   };
 
 });