html/browsers/sandboxing/sandbox-new-execution-context-iframe.html - external/github.com/web-platform-tests/wpt - Git at Google

 <body>
   <script>
     document.__proto__.changeFromSandboxedIframe = "change from sandboxed iframe";
   </script>
 </body>
	<body>
	<script>
	document.__proto__.changeFromSandboxedIframe = "change from sandboxed iframe";
	</script>
	</body>