chromium/src/third_party/blink/web_tests/external/wpt/workers/support/iframe_sw_dataUrl.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <title>Iframe for Shared Worker: Data URL cross-origin checks</title>
 <body>
 <script>

 let worker = new SharedWorker('data:text/javascript,let conns=0; onconnect = e => { e.ports[0].postMessage(++conns); }');
 worker.port.onmessage = e => {
   parent.postMessage(e.data, '*');
 }

 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<title>Iframe for Shared Worker: Data URL cross-origin checks</title>
	<body>
	<script>

	let worker = new SharedWorker('data:text/javascript,let conns=0; onconnect = e => { e.ports[0].postMessage(++conns); }');
	worker.port.onmessage = e => {
	parent.postMessage(e.data, '*');
	}

	</script>
	</body>
	</html>