chromium/third_party/blink/web_tests/fast/loader/subframe-self-close.html

<html>
<head>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.dumpChildFrames();
}
</script>
</head>
<body>
This page contains a subframe that calls "self.close()" as its first course of action.<br>
That self.close() call should not close this window.<br>
<iframe src="resources/subframe-self-close.html"></iframe><br>
</body>
</html>