<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Blank Page</title>
<script>
window.onload = function(event) {
// This is needed to ensure the onload event fires when this page is
// opened as a popup.
// See https://github.com/web-platform-tests/wpt/pull/18157
};
</script>
</head>
<body>
</body>
</html>