chromium/third_party/blink/web_tests/fast/dom/early-frame-url.html

<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}
</script>
<frameset cols="190,*" frameborder="0" border="0" framespacing="0">
<frameset rows="*, 100" border="0" frameborder="0" framespacing="0">
<frame name="nav" src="resources/a.html">
<frame name="service" src="resources/b.html">
</frameset>
</frameset>