<!DOCTYPE html>
<html>
<head>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.dumpChildFramesAsText();
    testRunner.waitUntilDone();
}
</script>
</head>
<head>
<iframe src="http://localhost:8000/security/XFrameOptions/resources/x-frame-options-ancestors-same-origin-deny.html"></iframe>
</head>
</html>