Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/fast/history/resources/subframe.html 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
</head>
<body>
</body>
</html>