chromium/third_party/blink/web_tests/http/tests/permissions/chromium/test-request-worker.html

<!DOCTYPE html>
<html>
  <head>
    <title>Permissions API: test .request() method.</title>
    <script src="../../resources/testharness.js"></script>
    <script src="../../resources/testharnessreport.js"></script>
    <script src="../../serviceworker/resources/test-helpers.js"></script>
    <script src="../resources/helpers.js"></script>
    <script src="resources/testrunner-helpers.js"></script>
  </head>
  <body>
  <script>
    var worker = new Worker('resources/test-request.js');
    worker.addEventListener('message', window_message_handler);
    fetch_tests_from_worker(worker);
  </script>
  </body>
</html>