file_child-src_inner_frame.html

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<!DOCTYPE HTML>

<html>

  <head>

    <title>Bug 1045891</title>

  </head>

  <body>

    <iframe id="innermosttestframe"> </iframe>

  <script type="text/javascript">

    page_id = window.location.hash.substring(1);

    function recvMessage(ev) {

      if (ev.data.id == page_id) {

        window.parent.postMessage({id:ev.data.id, message:'allowed'}, 'http://mochi.test:8888');

        window.removeEventListener('message', recvMessage);

    window.addEventListener('message', recvMessage);

  </script>

  </body>

</html>