chromium/chrome/test/data/iframe_in_empty_frame.html

<html><head><title>iframe test</title></head>
  <script type="text/javascript">
function createStruct(wnd,viewer,popup){
    iframe=wnd.document.createElement('iframe');
    viewer.appendChild(iframe);
    iframe.contentWindow.document.write('<SCRIPT src=\"iframe_in_empty_frame.js\"></SCR'+'IPT>');
}

wndname = "_blank";
wnd = window.open("", wndname, 'width=780,height=572,scrollbars=no,resizeable=no,statusbar=no,status=no,left = '+((screen.width / 2) - 780 / 2)+', var top = '+((screen.height / 2) - 572 / 2)+'');
if(wnd) { 
    wnd.document.open();
    wnd.document.write('<html><body onload="finished();"><script>function finished() {if (window.opener) {window.opener.createStruct(this,document.getElementById("viewer"),true);}}</scr'+'ipt><div id="viewer"></div></body></html>');
        wnd.document.close();
}

</script>
</html>