chromium/src/third_party/blink/web_tests/external/wpt/html/cross-origin-opener-policy/resources/resource-cleanup.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <html lang="en">
 <meta charset="utf-8">
 <title>Redirect destination for non-HTML documents to close themselves</title>
 <script>
 'use strict';
 const channel = new URL(location).searchParams.get('channel');
 const bc = new BroadcastChannel(channel);
 bc.onmessage = () => close();
 bc.postMessage({name: 'FAIL', closed: 'FAIL' });
 </script>
	<!DOCTYPE html>
	<html lang="en">
	<meta charset="utf-8">
	<title>Redirect destination for non-HTML documents to close themselves</title>
	<script>
	'use strict';
	const channel = new URL(location).searchParams.get('channel');
	const bc = new BroadcastChannel(channel);
	bc.onmessage = () => close();
	bc.postMessage({name: 'FAIL', closed: 'FAIL' });
	</script>