64049-1.html
<html>
<head>
<title>Testcase</title>
</head>
<body >
<iframe id="page" width=2000000 height=2000000 src="data:text/html,Q"></iframe>
</body>
</html> 
<html>
<head>
<title>Testcase</title>
</head>
<body >
<iframe id="page" width=2000000 height=2000000 src="data:text/html,Q"></iframe>
</body>
</html>