chromium/src/third_party/blink/web_tests/http/tests/security/postMessage/resources/post-message-listener.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <html>
 <body>
 <div>window.location.href = <script>document.write(window.location.href);</script></div>
 <script>
 function recv(e) {
     var msg = 'Received message: data="' + e.data + '" origin="' + e.origin + '"';
     top.postMessage(msg, '*');
 }

 addEventListener("message", recv, false);
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<div>window.location.href = <script>document.write(window.location.href);</script></div>
	<script>
	function recv(e) {
	var msg = 'Received message: data="' + e.data + '" origin="' + e.origin + '"';
	top.postMessage(msg, '*');
	}

	addEventListener("message", recv, false);
	</script>
	</body>
	</html>