<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Bug 1709069: Test that Data URI which makes a top-level request gets updated in https-first</title>
</head>
<body>
<script class="testbody" type="text/javascript">
  window.onload = (event) => {
    let myLoc = window.location.href;
    window.opener.parent.postMessage({location: myLoc}, "*");
    window.close();
};
</script>
</body>
</html>
