<!DOCTYPE HTML>
<html>
<head>
  <title>Bug 1208559 - ServiceWorker registration not governed by CSP</title>
</head>
<body>
<script>
  function finish(status) {
    window.parent.postMessage({result: status}, "*");
  }

  const promises = [
    navigator.serviceWorker.ready,
    navigator.serviceWorker.register("file_service_worker.js", { scope: "." })
  ];

  Promise.race(promises).then(finish.bind(null, 'allowed'),
                              finish.bind(null, 'blocked'));
  </script>
</body>
</html>
