Settings Router Refactor: Kill settings-router.

chrome/browser/resources/settings/site_settings/site_list.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
  * 'settings-site-list' shows a list of Allowed and Blocked sites for a given
  * category.
  */
 Polymer({
 
   is: 'settings-site-list',
 
   behaviors: [SiteSettingsBehavior, WebUIListenerBehavior],
 
   properties: {
     /**
-     * The current active route.
-     */
-    currentRoute: {
-      type: Object,
-      notify: true,
-    },
-
-    /**
      * The site that was selected by the user in the dropdown list.
      * @type {SiteException}
      */
     selectedSite: {
       type: Object,
       notify: true,
     },
 
     /**
      * Array of sites to display in the widget.
@@ skipping 445 matching lines @@
     // is redundant to also list all the sites that are blocked.
     if (this.isAllowList_())
       return true;
 
     if (this.isSessionOnlyList_())
       return siteList.length > 0;
 
     return toggleState;
   },
 });