Options: Fix the startup pages list.

chrome/browser/resources/options/browser_options.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;
   const ArrayDataModel = cr.ui.ArrayDataModel;
 
   //
   // BrowserOptions class
@@ skipping 258 matching lines @@
      * Updates the startup radio group with the given value.
      * @param {number} value the preference value being set.
      * @private
      */
     updateRestoreOnStartup_: function(value) {
       var items = document.querySelectorAll('input[name=startup]');
       for (i = 0; i < items.length; i++) {
         if (items[i].value == value)
           items[i].checked = true;
       }
+
+      this.updateCustomStartupPageControlStates_();
     },
 
     /**
      * Updates the startup pages list with the given entries.
      * @param {Array} pages List of startup pages.
      * @private
      */
     updateStartupPages_: function(pages) {
       var model = new ArrayDataModel(pages);
       // Add a "new page" row.
@@ skipping 257 matching lines @@
   BrowserOptions.setInstantFieldTrialStatus = function(enabled) {
     BrowserOptions.getInstance().setInstantFieldTrialStatus_(enabled);
   };
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 
 });