chromium/src/third_party/blink/web_tests/plugins/resources/open-and-close-window-with-plugin.html - manifest_repos/chromium_src - Git at Google

 <script>
 function runTest() {
     var plugin = document.getElementById('testPlugin');

     window.opener.setTimeout('setTimeout("testRunner.notifyDone()",50)', 0);
     window.close();
 }

 </script>

 <body onload="runTest()">
 <embed id="testPlugin" type="application/x-blink-deprecated-test-plugin" width="200" height="200"></embed>

 </body>
	<script>
	function runTest() {
	var plugin = document.getElementById('testPlugin');

	window.opener.setTimeout('setTimeout("testRunner.notifyDone()",50)', 0);
	window.close();
	}

	</script>

	<body onload="runTest()">
	<embed id="testPlugin" type="application/x-blink-deprecated-test-plugin" width="200" height="200"></embed>

	</body>