Settings: Remove /advanced usage as URL.

chrome/browser/resources/settings/settings_main/settings_main.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.
 
 /**
  * @typedef {{about: boolean, basic: boolean, advanced: boolean}}
  */
 var MainPageVisibility;
 
 /**
@@ skipping 70 matching lines @@
     pageVisibility: {
       type: Object,
       value: function() { return {}; },
     },
   },
 
   /** @override */
   attached: function() {
     document.addEventListener('toggle-advanced-page', function(e) {
       this.advancedToggleExpanded_ = e.detail;
-      settings.navigateTo(this.advancedToggleExpanded_ ?
-          settings.Route.ADVANCED : settings.Route.BASIC);
+      this.currentRouteChanged(settings.getCurrentRoute());
     }.bind(this));
-
   },
 
   /** @private */
   overscrollChanged_: function() {
     if (!this.overscroll_ && this.boundScroll_) {
       this.parentNode.scroller.removeEventListener('scroll', this.boundScroll_);
       this.boundScroll_ = null;
     } else if (this.overscroll_ && !this.boundScroll_) {
       this.boundScroll_ = this.scrollEventListener_.bind(this);
       this.parentNode.scroller.addEventListener('scroll', this.boundScroll_);
@@ skipping 155 matching lines @@
 
   /**
    * @param {(boolean|undefined)} visibility
    * @return {boolean} True unless visibility is false.
    * @private
    */
   showAdvancedSettings_: function(visibility) {
     return visibility !== false;
   },
 });