chromium/src/third_party/blink/web_tests/fast/events/resources/frame-tab-focus-empty-middle.html - manifest_repos/chromium_src - Git at Google

 <html>
 <style>
 body {
 background-color: white;
 }

 iframe {
 border: 2px solid black;
 }
 </style>
 <script>
 window.parent.setupWindow(window);
 </script>
 <body onload="window.setupBody();">
 <iframe id="empty-child" src="frame-tab-focus-empty-child.html"></iframe>
 </body>
 </html>
	<html>
	<style>
	body {
	background-color: white;
	}

	iframe {
	border: 2px solid black;
	}
	</style>
	<script>
	window.parent.setupWindow(window);
	</script>
	<body onload="window.setupBody();">
	<iframe id="empty-child" src="frame-tab-focus-empty-child.html"></iframe>
	</body>
	</html>