Compile chrome://settings, part 5

chrome/browser/resources/options/home_page_overlay.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.
 
 cr.define('options', function() {
   /** @const */ var Page = cr.ui.pageManager.Page;
   /** @const */ var SettingsDialog = options.SettingsDialog;
 
   /**
    * HomePageOverlay class
    * Dialog that allows users to set the home page.
    * @constructor
    * @extends {options.SettingsDialog}
    */
   function HomePageOverlay() {
     SettingsDialog.call(this, 'homePageOverlay',
-                        loadTimeData.getString('homePageOverlayTabTitle'),
-                        'home-page-overlay',
-                        $('home-page-confirm'), $('home-page-cancel'));
+        loadTimeData.getString('homePageOverlayTabTitle'),
+        'home-page-overlay',
+        assertInstanceof($('home-page-confirm'), HTMLButtonElement),
+        assertInstanceof($('home-page-cancel'), HTMLButtonElement));
   }
 
   cr.addSingletonGetter(HomePageOverlay);
 
   HomePageOverlay.prototype = {
     __proto__: SettingsDialog.prototype,
 
     /**
      * An autocomplete list that can be attached to the home page URL field.
      * @type {cr.ui.AutocompleteList}
@@ skipping 114 matching lines @@
   HomePageOverlay.updateAutocompleteSuggestions = function() {
     var instance = HomePageOverlay.getInstance();
     instance.updateAutocompleteSuggestions_.apply(instance, arguments);
   };
 
   // Export
   return {
     HomePageOverlay: HomePageOverlay
   };
 });