Send an webNavigation event for navigations triggered by window.history

chrome/common/extensions/docs/examples/api/webNavigation/basic/background.js

 // Copyright (c) 2012 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.
 
 /**
  * @filedescription Initializes the extension's background page.
  */
 
 var nav = new NavigationCollector();
 
 var eventList = ['onBeforeNavigate', 'onCreatedNavigationTarget',
     'onCommitted', 'onCompleted', 'onDOMContentLoaded',
-    'onErrorOccurred', 'onReferenceFragmentUpdated', 'onTabReplaced'];
+    'onErrorOccurred', 'onReferenceFragmentUpdated', 'onTabReplaced',
+    'onHistoryStateUpdated'];
 
 eventList.forEach(function(e) {
   chrome.webNavigation[e].addListener(function(data) {
     if (typeof data)
       console.log(chrome.i18n.getMessage('inHandler'), e, data);
     else
       console.error(chrome.i18n.getMessage('inHandlerError'), e);
   });
 });