Settings: Remove /advanced usage as URL.

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 23 matching lines @@
     // This allows us to test loading each subpage independently without other
     // subpages affecting load times, etc.
     settingsHidePagesByDefaultForTest = true;
   },
 
   /** @override */
   setUp: function() {
     SettingsPageBrowserTest.prototype.setUp.call(this);
     // Explicitly hide all of the pages (not strictly required but is more
     // clear than relying on undefined -> hidden).
+    this.toggleAdvanced();
     this.hideSubPages_();
   },
 
   /*
    * This will hide all subpages in |this.subPages|. Note: any existing subpages
    * not listed in |this.subPages| will be shown.
    */
   hideSubPages_: function() {
     var page = this.getPage(this.pageId);
     var visibility = {};
@@ skipping 85 matching lines @@
     'downloads',
     'reset',
     'a11y'
   ];
 
   SettingsSubPageBrowserTest.call(this, 'advanced', subPages);
 };
 
 SettingsAdvancedSubPageBrowserTest.prototype = {
   __proto__: SettingsSubPageBrowserTest.prototype,
-
-  /** @override */
-  browsePreload: 'chrome://md-settings/advanced',
 };
 
 TEST_F('SettingsAdvancedSubPageBrowserTest', 'SubPages', function() {
   suite('Advanced', this.testSubPages.bind(this));
   mocha.run();
 });