chromium/third_party/blink/web_tests/http/tests/security/resources/rel-noreferrer.html

<html>
<head>
<meta name="referrer" content="always" />
<script>
function runTest() {
    var link = document.getElementById("link");
    eventSender.mouseMoveTo(link.offsetLeft, link.offsetTop);
    eventSender.mouseDown();
    eventSender.mouseUp();
}
</script>
</head>
<body onload="runTest()">
<a id="link" href="http://127.0.0.1:8000/security/resources/referrer-policy-log.php" rel="noreferrer">link</a>
</body>
</html>