<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title></title>
    <script type="text/javascript" src="demo.js"></script>
    <link rel="stylesheet" type="text/css" href="demo.css" >
</head>
<body>
  <iframe id="frame0" src="about:blank" style="width:100%; height:400px;"></iframe>
  <script>
  if (chrome.test) {
  document.getElementById("frame0").onload = function() { chrome.test.sendMessage("Loaded"); };
  chrome.test.sendMessage("Launched");
  }
  </script>
</body>
</html>
