Guest mode page visibility patch set 11, minus dom.flush(), w/ overscroll fix

chrome/test/data/webui/settings/settings_subpage_browsertest.js

 // Copyright 2015 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.
 
 /**
  * @fileoverview Suite of tests to ensure that settings subpages exist and
  * load without errors. Also outputs approximate load times for each subpage.
  */
 
 GEN_INCLUDE(['settings_page_browsertest.js']);
@@ skipping 66 matching lines @@
     Polymer.dom.flush();
     var dtime = window.performance.now() - startTime;
     console.log('Page: ' + subPage + ' Load time: ' + dtime.toFixed(0) + ' ms');
     expectTrue(!!this.getSection(page, subPage));
     // Hide the page so that it doesn't interfere with other subPages.
     page.set('pageVisibility.' + subPage, false);
     Polymer.dom.flush();
   },
 
   testSubPages: function() {
+    Polymer.dom.flush();
     var page = this.getPage(this.pageId);
     this.subPages.forEach(function(subPage) {
       if (this.includePage(subPage))
         test(subPage, this.testPage.bind(this, page, subPage));
     }.bind(this));
   },
 
   /**
    * @param {string} id
    * @return {boolean}
@@ skipping 50 matching lines @@
   __proto__: SettingsSubPageBrowserTest.prototype,
 
   /** @override */
   browsePreload: 'chrome://md-settings/advanced',
 };
 
 TEST_F('SettingsAdvancedSubPageBrowserTest', 'SubPages', function() {
   suite('Advanced', this.testSubPages.bind(this));
   mocha.run();
 });