Fix "Languages and Input" options.

chrome/browser/resources/options/chromeos_language_list.js

 // Copyright (c) 2010 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.language', function() {
   const ArrayDataModel = cr.ui.ArrayDataModel;
   const LanguageOptions = options.LanguageOptions;
   const List = cr.ui.List;
   const ListItem = cr.ui.ListItem;
   const ListSingleSelectionModel = cr.ui.ListSingleSelectionModel;
@@ skipping 210 matching lines @@
       // Save the preference.
       this.savePreference_();
     },
 
     /**
      * Handles pref change.
      * @param {Event} e The change event object.
      * @private
      */
     handlePrefChange_: function(e) {
-      var languageCodesInCsv = e.value;
+      var languageCodesInCsv = e.value.value;
       var languageCodes = this.filterBadLanguageCodes_(
           languageCodesInCsv.split(','));
       this.load_(languageCodes);
     },
 
     /**
      * Loads given language list.
      * @param {Array} languageCodes List of language codes.
      * @private
      */
@@ skipping 46 matching lines @@
         }
       }
       return filteredLanguageCodes;
     },
   };
 
   return {
     LanguageList: LanguageList
   };
 });