third_party/blink/web_tests/external/wpt/client-hints/resources/accept_ch_lifetime.html - chromium/src - Git at Google

 <html>
 <body>

 <!-- An empty webpage whose response headers include Accept-CH
 and Accept-CH-Lifetime header. Fetching this webpage should cause
 user-agent to persist origin preferences for the client hints
 specified in the Accept-CH header for a duration specified in
 the Accept-CH-Lifetime header.-->
 <script>
   window.top.opener.postMessage('Loaded', '*');
 </script>


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

	<!-- An empty webpage whose response headers include Accept-CH
	and Accept-CH-Lifetime header. Fetching this webpage should cause
	user-agent to persist origin preferences for the client hints
	specified in the Accept-CH header for a duration specified in
	the Accept-CH-Lifetime header.-->
	<script>
	window.top.opener.postMessage('Loaded', '*');
	</script>


	</body>
	</html>