Compile chrome://settings, part 2: reduce from 950 to 400 errors

chrome/browser/resources/options/language_add_language_overlay.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.
 
 ///////////////////////////////////////////////////////////////////////////////
 // AddLanguageOverlay class:
 
 cr.define('options', function() {
   /** @const */ var Page = cr.ui.pageManager.Page;
   /** @const */ var PageManager = cr.ui.pageManager.PageManager;
 
   /**
    * Encapsulated handling of ChromeOS add language overlay page.
    * @constructor
+   * @extends {cr.ui.pageManager.Page}
    */
   function AddLanguageOverlay() {
     Page.call(this, 'addLanguage',
               loadTimeData.getString('addButton'),
               'add-language-overlay-page');
   }
 
   cr.addSingletonGetter(AddLanguageOverlay);
 
   AddLanguageOverlay.prototype = {
@@ skipping 24 matching lines @@
         option.textContent = displayText;
         addLanguageList.appendChild(option);
       }
     },
   };
 
   return {
     AddLanguageOverlay: AddLanguageOverlay
   };
 });