Fix JavaScript errors in options2

chrome/browser/resources/options2/language_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.
 
 // TODO(kochi): Generalize the notification as a component and put it
 // in js/cr/ui/notification.js .
 
 cr.define('options', function() {
   const OptionsPage = options.OptionsPage;
   const LanguageList = options.LanguageList;
@@ skipping 108 matching lines @@
     // The preference is a boolean that enables/disables spell checking.
     enableSpellCheckPref: 'browser.enable_spellchecking',
     // The preference is a CSV string that describes preload engines
     // (i.e. active input methods).
     preloadEnginesPref: 'settings.language.preload_engines',
     // The list of preload engines, like ['mozc', 'pinyin'].
     preloadEngines_: [],
     // The preference is a string that describes the spell check
     // dictionary language, like "en-US".
     spellCheckDictionaryPref: 'spellcheck.dictionary',
-    spellCheckDictionary_: "",
+    spellCheckDictionary_: '',
     // The map of language code to input method IDs, like:
     // {'ja': ['mozc', 'mozc-jp'], 'zh-CN': ['pinyin'], ...}
     languageCodeToInputMethodIdsMap_: {},
 
     /**
      * Initializes the input method list.
      */
     initializeInputMethodList_: function() {
       var inputMethodList = $('language-options-input-method-list');
       var inputMethodListData = templateData.inputMethodList;
@@ skipping 366 matching lines @@
       this.preloadEngines_ = this.filterBadPreloadEngines_(value.split(','));
       this.updateCheckboxesFromPreloadEngines_();
       $('language-options-list').updateDeletable();
     },
 
     /**
      * Handles input method checkbox's click event.
      * @param {Event} e Click event.
      * @private
      */
-    handleCheckboxClick_ : function(e) {
+    handleCheckboxClick_: function(e) {
       var checkbox = e.target;
       if (this.preloadEngines_.length == 1 && !checkbox.checked) {
         // Don't allow disabling the last input method.
         this.showNotification_(
             localStrings.getString('please_add_another_input_method'),
             localStrings.getString('ok_button'));
         checkbox.checked = true;
         return;
       }
       if (checkbox.checked) {
         chrome.send('inputMethodEnable', [checkbox.inputMethodId]);
       } else {
         chrome.send('inputMethodDisable', [checkbox.inputMethodId]);
       }
       this.updatePreloadEnginesFromCheckboxes_();
       this.preloadEngines_ = this.sortPreloadEngines_(this.preloadEngines_);
       this.savePreloadEnginesPref_();
     },
 
     /**
      * Handles add language list's click event.
      * @param {Event} e Click event.
      */
-    handleAddLanguageListClick_ : function(e) {
+    handleAddLanguageListClick_: function(e) {
       var languageOptionsList = $('language-options-list');
       var languageCode = e.target.languageCode;
       // languageCode can be undefined, if click was made on some random
       // place in the overlay, rather than a button. Ignore it.
       if (!languageCode) {
         return;
       }
       languageOptionsList.addLanguage(languageCode);
       var inputMethodIds = this.languageCodeToInputMethodIdsMap_[languageCode];
       // Enable the first input method for the language added.
       if (inputMethodIds && inputMethodIds[0] &&
           // Don't add the input method it's already present. This can
           // happen if the same input method is shared among multiple
           // languages (ex. English US keyboard is used for English US and
           // Filipino).
           this.preloadEngines_.indexOf(inputMethodIds[0]) == -1) {
         this.preloadEngines_.push(inputMethodIds[0]);
         this.updateCheckboxesFromPreloadEngines_();
         this.savePreloadEnginesPref_();
       }
       OptionsPage.closeOverlay();
     },
 
     /**
      * Handles add language dialog ok button.
      */
-    handleAddLanguageOkButtonClick_ : function() {
+    handleAddLanguageOkButtonClick_: function() {
       var languagesSelect = $('add-language-overlay-language-list');
       var selectedIndex = languagesSelect.selectedIndex;
       if (selectedIndex >= 0) {
         var selection = languagesSelect.options[selectedIndex];
         $('language-options-list').addLanguage(String(selection.value));
         OptionsPage.closeOverlay();
       }
     },
 
     /**
@@ skipping 18 matching lines @@
 
        $('language-options-spell-check-language-button').disabled = value;
      },
 
     /**
      * Handles spellCheckDictionaryPref change.
      * @param {Event} e Change event.
      * @private
      */
     handleSpellCheckDictionaryPrefChange_: function(e) {
-      var languageCode = e.value.value
+      var languageCode = e.value.value;
       this.spellCheckDictionary_ = languageCode;
       var languageOptionsList = $('language-options-list');
       var selectedLanguageCode = languageOptionsList.getSelectedLanguageCode();
       this.updateSpellCheckLanguageButton_(selectedLanguageCode);
     },
 
     /**
      * Handles spellCheckLanguageButton click.
      * @param {Event} e Click event.
      * @private
@@ skipping 130 matching lines @@
     },
 
     // TODO(kochi): This is an adapted copy from new_tab.js.
     // If this will go as final UI, refactor this to share the component with
     // new new tab page.
     /**
      * Shows notification
      * @private
      */
     notificationTimeout_: null,
-    showNotification_ : function(text, actionText, opt_delay) {
+    showNotification_: function(text, actionText, opt_delay) {
       var notificationElement = $('notification');
       var actionLink = notificationElement.querySelector('.link-color');
       var delay = opt_delay || 10000;
 
       function show() {
         window.clearTimeout(this.notificationTimeout_);
         notificationElement.classList.add('show');
         document.body.classList.add('notification-shown');
       }
 
@@ skipping 42 matching lines @@
   LanguageOptions.uiLanguageSaved = function() {
     $('language-options-ui-language-button').style.display = 'none';
     $('language-options-ui-notification-bar').style.display = 'block';
   };
 
   // Export
   return {
     LanguageOptions: LanguageOptions
   };
 });