<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
                 type="text/css"?>

<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js" />

<body xmlns="http://www.w3.org/1999/xhtml">
  <div id="content" style="display: none"/>
</body>

<script>
var Ci = Components.interfaces;
var chromeWindowInterface = Ci.nsIDOMChromeWindow;

SimpleTest.waitForExplicitFinish();

// Force off out-of-process mozbrowser because we need to grab its
// |window| synchronously from here.  Out-of-process docshell creation
// for mozbrowser haves entirely differently.
// XXX why doesn't pushPrefEnv() work here?
var otherWindow = window.open("window_bug757137.xul", "", "chrome");
ok(chromeWindowInterface !== null, 'nsIDOMChromeWindow interface is defined');
var otherChromeWindow = null;
try {
  otherChromeWindow = otherWindow.QueryInterface(chromeWindowInterface);
} catch(e) {
  ok(false, 'exception when QI to ChromeWindow');
}
ok(otherChromeWindow !== null, 'XUL window should QI to ChromeWindow');

SpecialPowers.pushPrefEnv({"set":[["dom.ipc.tabs.disabled", true]]}, startTest);

function startTest() {
  otherWindow.onload = function () {
    var w = otherWindow.document.getElementById('f').contentWindow;
    ok(w !== null, 'got the |window| for a mozbrowser iframe');
    var chromeWindow = null;
    try {
      var chromeWindow = w.QueryInterface(chromeWindowInterface);
    } catch(e) { }
      ok(chromeWindow === null, 'mozbrowser iframe should not get ChromeWindow');

    otherWindow.close();
    SimpleTest.waitForFocus(SimpleTest.finish);
 };
}
</script>

</window>