chromium/chrome/test/media_router/resources/fail_reconnect_session.html

<!DOCTYPE HTML>
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>MR Integration Fail reconnect Test</title>
    <script type="text/javascript" src="common.js"></script>
    <script>
    function checkReconnectSessionFails(sessionId) {
      return reconnectSessionAndExpectFailure(sessionId, 'Unknown route');
    }
    </script>
  </head>
  <body>
  </body>
</html>