dynamic-iframe-extra-back-forward-item.html

<script>
if (window.testRunner) {
   testRunner.dumpAsText();
   testRunner.dumpBackForwardList();
   testRunner.waitUntilDone();
}

function loaded()
{
    var f = document.createElement("iframe");
    document.body.appendChild(f);
    f.setAttribute('src', 'resources/notify-done.html');
}    
</script>
<body onload="setTimeout('loaded()', 0);">
&lt;rdar://problem/8636239&gt; and https://bugs.webkit.org/show_bug.cgi?id=53785 - Extraneous back/forward entries with dynamically appended iframes.<br>
This page appends an iframe after onload.  That iframe should *not* result in a new back/forward entry in the session history.<br>
</body>

chromium/third_party/blink/web_tests/fast/loader/dynamic-iframe-extra-back-forward-item.html