chromium/third_party/blink/web_tests/external/wpt/fenced-frame/resources/permission-notification-inner.html

<!DOCTYPE html>
<script src="utils.js"></script>
<title>Fenced frame content to report the result of Notification.requestPermission</title>

<body>
<script>
(async () => {
  const [permission_notification_key] = parseKeylist();
  const result = await Notification.requestPermission();
  writeValueToServer(permission_notification_key, `result: ${result}`);
})();
</script>
</body>