https-upgrades/resources/pass.html - external/github.com/web-platform-tests/wpt - Git at Google

 <!DOCTYPE html>
 <html>
   <body>
     <script>
       window.onload = (event) => {
           window.opener.postMessage('pass', '*');
       };
     </script>
   </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<script>
	window.onload = (event) => {
	window.opener.postMessage('pass', '*');
	};
	</script>
	</body>
	</html>