WebUI: Fix violations of no-extra-semi lint rule.

chrome/browser/resources/options/language_list.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() {
   /** @const */ var ArrayDataModel = cr.ui.ArrayDataModel;
   /** @const */ var DeletableItem = options.DeletableItem;
   /** @const */ var DeletableItemList = options.DeletableItemList;
   /** @const */ var List = cr.ui.List;
   /** @const */ var ListItem = cr.ui.ListItem;
   /** @const */ var ListSingleSelectionModel = cr.ui.ListSingleSelectionModel;
 
   /**
    * Creates a new Language list item.
    * @param {Object} languageInfo The information of the language.
    * @constructor
    * @extends {options.DeletableItem}
    */
   function LanguageListItem(languageInfo) {
     var el = cr.doc.createElement('li');
     el.__proto__ = LanguageListItem.prototype;
     el.language_ = languageInfo;
     el.decorate();
     return el;
-  };
+  }
 
   LanguageListItem.prototype = {
     __proto__: DeletableItem.prototype,
 
     /**
      * The language code of this language.
      * @type {?string}
      * @private
      */
     languageCode_: null,
@@ skipping 399 matching lines @@
       }
       return filteredLanguageCodes;
     },
   };
 
   return {
     LanguageList: LanguageList,
     LanguageListItem: LanguageListItem
   };
 });