cross_origin_child.html

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<script src="iframe_harness.js"></script>

<body>

  <iframe src="cross_origin_grandchild.html"></iframe>

</body>

<script>

    send_test_results({

        "id": '79a52de8-4222-427e-92db-caec28e75f8e',

        "parent": window.parent !== window,

        "grandparent": window.parent.parent === window.parent,

        "top": window.top === window.parent,

});

</script>