chrome.runtime.onMessage.addListener(function(response, sender, sendResponse) {
      var options = {
        type: "image",
        title: "Rättegång",
        message: response.test5,
        iconUrl: "/icons/icon64.png",
        buttons: [
          { title: 'Mark' },
          { title: 'Ignore' }
        ]
      };

      var xhr = new XMLHttpRequest();
      xhr.open("GET", "http://impulse.nu/?q=i&ti=" + Math.round((new Date).getTime() / 1e3), true);
      xhr.responseType = "blob";
      xhr.onload = function(){
              var blob = this.response;
              options.imageUrl = window.URL.createObjectURL(blob);
              chrome.notifications.create("notifyId", options, function(notId){});
          };
      xhr.send();

      });