_gaq.push не работает в Google Analytics

var ext_id = localStorage.ext_id;
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-xxxxx-xx']);
_gaq.push(['_trackPageview']);
//console.info(_gaq);
(function() {
  var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
 ga.src = chrome.extension.getURL('js/ga.js'); //uncomment this
 //ga.src = "js/ga.js"
 // ga.src = 'https://ssl.google-analytics.com/ga.js';
  document.head.append(ga); // make it head
 // var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); // comment this out
})();

chrome.runtime.onConnect.addListener(function(port) {
  console.assert(port.name == "google-analytics");
  port.onMessage.addListener(function(response) {
      console.info("Message Passing with response",response.category,response.action, response);
     // _gaq.push(['_gat._forceSSL']); // remove  this
      _gaq.push(['_trackEvent', response.category, response.action,ext_id]); // trouble shoot this

      console.info(_gaq, "sending this");

  });
});