Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/http/tests/css/resources/font-face-src-cached-iframe.html 

<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="font-face-via-https.css">
</head>
<body>
<p>Inner page text</p>
</body>
</html>