Settings Router Refactor: Kill settings-router.

chrome/browser/resources/settings/search_page/search_page.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-search-page' is the settings page containing search settings.
  */
 Polymer({
   is: 'settings-search-page',
 
   properties: {
     /**
-     * The current active route.
-     */
-    currentRoute: {
-      type: Object,
-      notify: true,
-    },
-
-    /**
      * List of default search engines available.
      * @private {!Array<!SearchEngine>}
      */
     searchEngines_: {
       type: Array,
       value: function() { return []; }
     },
 
     /** @private {!settings.SearchEnginesBrowserProxy} */
     browserProxy_: Object,
@@ skipping 36 matching lines @@
   /**
    * @return {number}
    * @private
    */
   getSelectedSearchEngineIndex_: function() {
     return this.searchEngines_.findIndex(function(searchEngine) {
       return searchEngine.default;
     });
   },
 });