third_party/blink/web_tests/fast/js/cross-frame-really-bad-time-with-__proto__.html - chromium/src - Git at Google

 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
 <html>
 <head>
 <script src="../../resources/js-test.js"></script>
 </head>
 <body>
 <iframe id="myframe"></iframe>
 <script src="script-tests/cross-frame-really-bad-time-with-__proto__.js"></script>
 </body>
 </html>
	<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
	<html>
	<head>
	<script src="../../resources/js-test.js"></script>
	</head>
	<body>
	<iframe id="myframe"></iframe>
	<script src="script-tests/cross-frame-really-bad-time-with-__proto__.js"></script>
	</body>
	</html>