Fix "Languages and Input" options.

chrome/browser/resources/options/chromeos_language_options.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', function() {
 
   const OptionsPage = options.OptionsPage;
   const AddLanguageOverlay = options.language.AddLanguageOverlay;
   const LanguageList = options.language.LanguageList;
 
@@ skipping 339 matching lines @@
         }
       }
     },
 
     /**
      * Handles preloadEnginesPref change.
      * @param {Event} e Change event.
      * @private
      */
     handlePreloadEnginesPrefChange_: function(e) {
-      this.preloadEngines_ = this.filterBadPreloadEngines_(e.value.split(','));
+      var value = e.value.value;
+      this.preloadEngines_ = this.filterBadPreloadEngines_(value.split(','));
       this.updateCheckboxesFromPreloadEngines_();
     },
 
     /**
      * Handles input method checkbox's click event.
      * @param {Event} e Click event.
      * @private
      */
     handleCheckboxClick_ : function(e) {
       var checkbox = e.target;
@@ skipping 167 matching lines @@
     $('language-options-ui-language-button').style.display = 'none';
     $('language-options-ui-notification-bar').style.display = 'block';
   };
 
   // Export
   return {
     LanguageOptions: LanguageOptions
   };
 
 });