chromium/third_party/blink/web_tests/external/wpt/fenced-frame/resources/automatic-beacon-unfenced-page.html

<!DOCTYPE html>
<title>Page navigated to by an _unfencedTop navigation</title>

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="utils.js"></script>
<script src="/common/get-host-info.sub.js"></script>

<body>
<script>
  promise_test(async(t) => {
    // This page is navigated to from an '_unfencedTop' navigation by
    // '../automatic-beacon-unfenced-top.https.html'. An automatic beacon will
    // have been sent as a result of the navigation.
    const beacon_data = "This is the beacon data!";
    const beacon_initiator_origin = await nextBeacon(
        "reserved.top_navigation_commit", beacon_data);
    assert_equals(beacon_initiator_origin, get_host_info().HTTPS_ORIGIN + "," +
        get_host_info().HTTPS_REMOTE_ORIGIN + "/");
  });
</script>
</body>