LayoutTests/fast/custom-elements/resources/navigation-destination.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <body>
 <p>Navigated!</p>
 <script>
 parent.postMessage('didNavigate', '*');
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<p>Navigated!</p>
	<script>
	parent.postMessage('didNavigate', '*');
	</script>
	</body>
	</html>