<!DOCTYPE html>
<html>
<head>
  <title>Bug 1131327 - Test ServiceWorkerRegistration.onupdatefound on ServiceWorker</title>
</head>
<body>
<script>
  navigator.serviceWorker.onmessage = function(e) {
    dump("NSM iframe got message " + e.data + "\n");
    window.parent.postMessage(e.data, "*");
  };
</script>
</body>
