chromium/third_party/blink/web_tests/wpt_internal/geolocation-api/notimer-after-unload.https.html

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script type="module">
promise_test(_ => {
  return new Promise((resolve, reject) => {
    const iframe = document.createElement('iframe');

    window.navigateToSecondPage = () => {
      iframe.src = 'resources/notimer-after-unload-inner-after.html';

      // A little cheesy, but if the callback is realistically ever going to
      // run, it would will almost certainly within 1 second of the request
      // issued by the first page.
      iframe.onload = () => setTimeout(resolve, 1000);
    };

    window.onGeolocationResponse = x => {
      reject('Geolocation callback invoked after page unload');
    };

    iframe.src = 'resources/notimer-after-unload-inner-before.html';
    document.body.appendChild(iframe);
  });
}, 'geolocation callbacks are not invoked after page unload');
</script>
</body>
</html>