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

chrome/browser/resources/options2/chromeos/virtual_keyboard.js

 // Copyright (c) 2011 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;
 
   /////////////////////////////////////////////////////////////////////////////
   // VirtualKeyboardManager class:
 
@@ skipping 20 matching lines @@
      * The virtual keyboards list.
      * @type {ItemList}
      * @private
      */
     virtualKeyboardsList_: null,
 
     /** @inheritDoc */
     initializePage: function() {
       OptionsPage.prototype.initializePage.call(this);
       this.createVirtualKeyboardsList_();
+      $('virtual-keyboard-overlay-confirm').onclick =
+          OptionsPage.closeOverlay.bind(OptionsPage);
     },
 
     /** @inheritDoc */
     didShowPage: function() {
       chrome.send('updateVirtualKeyboardList');
     },
 
     /**
      * Creates, decorates and initializes the keyboards list.
      * @private
@@ skipping 32 matching lines @@
         filteredList.sort(function(e1, e2) {
             return e1.layoutName > e2.layoutName;
           }));
   };
 
   // Export
   return {
     VirtualKeyboardManager: VirtualKeyboardManager,
   };
 });