[MD History] Add routing to the synced devices page.

chrome/browser/resources/md_history/side_bar.js

 // Copyright 2016 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.
 
 Polymer({
   is: 'history-side-bar',
 
   properties: {
     selectedPage: {
       type: String,
@@ skipping 12 matching lines @@
     // focusable child. Therefore, we set tabindex=0 on the app-drawer so that
     // it will focus itself and then immediately delegate focus to the selected
     // item in this listener.
     this.$.menu.selectedItem.focus();
   },
 
   /** @private */
   onSelectorActivate_: function() {
     this.$.drawer.close();
   },
-
-  /**
-   * Relocates the user to the clear browsing data section of the settings page.
-   * @private
-   */
-  onClearBrowsingDataTap_: function() {
-    window.location.href = 'chrome://settings/clearBrowserData';
-  },
 });