chromium/chrome/test/data/ssl/frame_left.html

<html>
<body>
<a id="goodHTTPSLink" href="REPLACE_WITH_GOOD_HTTPS_PAGE" TARGET="contentFrame">Good HTTPS page</a><br>
<a id="badHTTPSLink" href="REPLACE_WITH_BAD_HTTPS_PAGE" TARGET="contentFrame">Bad HTTPS page</a><br>
<a id="HTTPLink" href="http://example.test:REPLACE_WITH_HTTP_PORT/ssl/google.html" TARGET="contentFrame">HTTP page</a><br>
</body>
</html>