chromium/chrome/test/data/webrtc/sub_capture_embedded.html

<html>
  <head>
    <link rel="icon" href="data:," />
    <script src="sub_capture_helpers.js"></script>
    <script>
      "use strict";

      setRole("embedded");

      registerEmbeddedListeners();

      function reportEmbeddingSuccess() {
        window.parent.postMessage({messageType: "embedding-done"}, '*');
      }
    </script>
  </head>
  <body onload="onLoad();">
    <div id="div">
      <!-- This DIV is just a convenient target. -->
      <p id="p_id">0</p>
    </div>
    <iframe id="mailman_frame" hidden></iframe>
    <script>
      function onLoad() {
        animate(document.getElementById('p_id'));
        reportEmbeddingSuccess();
      }
    </script>
  </body>
</html>