Unframe chrome://extensions as it's the last (and only) uber item

chrome/browser/ui/webui/extensions/chromeos/kiosk_apps_browsertest.js

 // Copyright 2013 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.
 
 GEN('#include "base/command_line.h"');
 
 /**
  * TestFixture for kiosk app settings WebUI testing.
  * @extends {testing.Test}
  * @constructor
  */
 function KioskAppSettingsWebUITest() {}
 
 KioskAppSettingsWebUITest.prototype = {
   __proto__: testing.Test.prototype,
 
   /**
    * Browse to the kiosk app settings page.
    */
-  browsePreload: 'chrome://extensions-frame/',
+  browsePreload: 'chrome://extensions/',
 
   /** @override */
   commandLineSwitches: [{
     switchName: 'enable-consumer-kiosk',
   }],
 
   /**
    * Mock settings data.
    * @private
    */
@@ skipping 225 matching lines @@
 
   /** @override */
   setUp: function() {}
 };
 
 // Test kiosk app settings are not visible when consumer kiosk is disabled.
 TEST_F('NoConsumerKioskWebUITest', 'settingsHidden', function() {
   assertEquals(this.browsePreload, document.location.href);
   assertTrue($('add-kiosk-app').hidden);
 });