chromium/src/third_party/blink/web_tests/http/tests/navigation/resources/subframe-with-unload-handler-in-parent.html - manifest_repos/chromium_src - Git at Google

 <html>
 <head>
 <script>
 function unload() {
     window.parent.imageLoad();
 }

 function load() {
     window.top.test();
 }
 </script>
 </head>
 <body onload="load();" onunload="unload();">
 This subframe has an unload handler.
 </body>
 </html>
	<html>
	<head>
	<script>
	function unload() {
	window.parent.imageLoad();
	}

	function load() {
	window.top.test();
	}
	</script>
	</head>
	<body onload="load();" onunload="unload();">
	This subframe has an unload handler.
	</body>
	</html>