Add third 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 758 matching lines @@
       if (cr.isChromeOS) {
         // On ChromeOS, replace /special/drive with Drive for drive paths, and
         // /home/chronos/user/Downloads with Downloads for local files.
         // Also replace '/' with ' \u203a ' (angled quote sign) everywhere.
         var path = $('downloadLocationPath').value;
         path = path.replace(/^\/special\/drive/, 'Google Drive');
         path = path.replace(/^\/home\/chronos\/user\//, '');
         path = path.replace(/\//g, ' \u203a ');
         $('downloadLocationPath').value = path;
       }
+      if (event.value.disabled)
+        $('download-location-label').classList.add('disabled');
+      else
+        $('download-location-label').classList.remove('disabled');
+      $('downloadLocationChangeButton').disabled = event.value.disabled;
     },
 
     /**
      * Update the Default Browsers section based on the current state.
      * @param {string} statusString Description of the current default state.
      * @param {boolean} isDefault Whether or not the browser is currently
      *     default.
      * @param {boolean} canBeDefault Whether or not the browser can be default.
      * @private
      */
@@ skipping 550 matching lines @@
     BrowserOptions.getLoggedInUsername = function() {
       return BrowserOptions.getInstance().username_;
     };
   }
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 });