third_party/blink/web_tests/external/wpt/navigation-timing/resources/performance-attribute-sender.html - chromium/src - Git at Google

 <!DOCTYPE HTML>
 <html>
 <body>
 <script>
 parent.postMessage([
   performance.timing.connectStart,
   performance.timing.navigationStart,
   performance.timing.secureConnectionStart,
   performance.timing.connectEnd
 ], '*');
 </script>
 </body>
 </html>
	<!DOCTYPE HTML>
	<html>
	<body>
	<script>
	parent.postMessage([
	performance.timing.connectStart,
	performance.timing.navigationStart,
	performance.timing.secureConnectionStart,
	performance.timing.connectEnd
	], '*');
	</script>
	</body>
	</html>