Add fourth batch of controlled setting indicators

chrome/browser/resources/options/browser_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.
 
 cr.define('options', function() {
   var OptionsPage = options.OptionsPage;
   var ArrayDataModel = cr.ui.ArrayDataModel;
   var RepeatingButton = cr.ui.RepeatingButton;
 
   //
@@ skipping 92 matching lines @@
 
       // Internet connection section (ChromeOS only).
       if (cr.isChromeOS) {
         options.network.NetworkList.decorate($('network-list'));
         options.network.NetworkList.refreshNetworkData(
             loadTimeData.getValue('networkData'));
       }
 
       // On Startup section.
       Preferences.getInstance().addEventListener('session.restore_on_startup',
-         this.onRestoreOnStartupChanged_.bind(this));
+          this.onRestoreOnStartupChanged_.bind(this));
+      Preferences.getInstance().addEventListener(
+          'session.urls_to_restore_on_startup',
+          function(event) {
+            $('startup-set-pages').disabled = event.value.disabled;
+          });
 
       $('startup-set-pages').onclick = function() {
         OptionsPage.navigateToPage('startup');
       };
 
       // Appearance section.
       Preferences.getInstance().addEventListener('browser.show_home_button',
           this.onShowHomeButtonChanged_.bind(this));
 
       Preferences.getInstance().addEventListener('homepage',
@@ skipping 336 matching lines @@
     didShowPage: function() {
       $('search-field').focus();
     },
 
     /**
      * Event listener for the 'session.restore_on_startup' pref.
      * @param {Event} event The preference change event.
      * @private
      */
     onRestoreOnStartupChanged_: function(event) {
-      /** @const */ var showPagesValue = Number($('startup-show-pages').value);
       /** @const */ var showHomePageValue = 0;
 
-      $('startup-set-pages').disabled = event.value.disabled &&
-                                        event.value.value != showPagesValue;
-
       if (event.value.value == showHomePageValue) {
         // If the user previously selected "Show the homepage", the
         // preference will already be migrated to "Open a specific page". So
         // the only way to reach this code is if the 'restore on startup'
         // preference is managed.
         assert(event.value.controlledBy);
 
         // Select "open the following pages" and lock down the list of URLs
         // to reflect the intention of the policy.
         $('startup-show-pages').checked = true;
@@ skipping 855 matching lines @@
     BrowserOptions.getLoggedInUsername = function() {
       return BrowserOptions.getInstance().username_;
     };
   }
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 });