[uber page] Migrate the virtual keyboard sub-page to a dialog

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 84 matching lines @@
         // Show experimental features if enabled.
         if (templateData.experimentalSpellCheckFeatures == 'true')
           $('auto-spell-correction-option').hidden = false;
 
         // Handle spell check enable/disable.
         if (!cr.isMac) {
           Preferences.getInstance().addEventListener(
               this.enableSpellCheckPref,
               this.updateEnableSpellCheck_.bind(this));
         }
+      }
 
-        $('language-confirm').onclick = function() {
-          OptionsPage.closeOverlay();
-        };
-      }
+      $('language-confirm').onclick =
+          OptionsPage.closeOverlay.bind(OptionsPage);
 
       // Listen to user clicks on the "Change touch keyboard settings..."
       // button (if it exists).
       var virtualKeyboardButton = $('language-options-virtual-keyboard');
       if (virtualKeyboardButton) {
         // TODO(yusukes): would be better to hide the button if no virtual
         // keyboard is registered.
         virtualKeyboardButton.onclick = function(e) {
           OptionsPage.navigateToPage('virtualKeyboards');
         };
@@ skipping 694 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
   };
 });