iframe-focuses-parent-same-site-outer.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>iframe focuses parent same site outer</title>
</head>
<body>
<iframe src="iframe-focuses-parent-same-site-inner.html"></iframe>
<script>
var w = null;
var focusDisallowed = false;
var failed = false;
window.onmessage = function(e) {
    if (failed) {
        return;
    }
    if (e.data == "ready") {
        focusDisallowed = true;
        document.getElementsByTagName("iframe")[0].contentWindow.postMessage("focus", "*");
        return;
    }
    focusDisallowed = false;
    if (w) {
        w.close();
        w = null;
    }
    opener.postMessage(failed ? "FAIL" : "PASS", "*");
}
window.onload = function() {
    w = window.open("iframe-focuses-parent-same-site-other.html");
}
document.body.onfocus = function() {
    if (focusDisallowed) {
        failed = true;
    }
}
</script>
</body>
</html>

chromium/third_party/blink/web_tests/external/wpt/focus/support/iframe-focuses-parent-same-site-outer.html