chromium/src/third_party/blink/web_tests/external/wpt/html/semantics/embedded-content/the-iframe-element/support/iframe_sandbox_012.htm - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
     <title>Page with access to document.cookie</title>
 </head>
 <body>
     <script type="text/javascript">
         cookie = document.cookie;
         document.cookie = "name=browser";
         parent.window.postMessage("cookies are R/W", "*");
     </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Page with access to document.cookie</title>
	</head>
	<body>
	<script type="text/javascript">
	cookie = document.cookie;
	document.cookie = "name=browser";
	parent.window.postMessage("cookies are R/W", "*");
	</script>
	</body>
	</html>