LayoutTests/http/tests/security/resources/sandboxed-iframe-form-top.html - WebKit - Git at Google

 <html>
 <body>
 <form id="theForm" action="fail.html" method="GET" target="_top">
 <input type="submit" value="Submit"/>
 </form>
 <script>
 var f = document.getElementById('theForm');
 f.submit();
 </script>
 </body>
 </html>
	<html>
	<body>
	<form id="theForm" action="fail.html" method="GET" target="_top">
	<input type="submit" value="Submit"/>
	</form>
	<script>
	var f = document.getElementById('theForm');
	f.submit();
	</script>
	</body>
	</html>