LayoutTests/http/tests/security/resources/cross-frame-iframe-for-history-get-test.html - WebKit - Git at Google

 <html>
 <head>
     <script>
         window.history.existingCustomProperty = 1;
         window.history.__proto__.prototypeCustomProperty = 1;

         window.onload = function()
         {
             if (window.testRunner)
                 testRunner.globalFlag = true;
         }
     </script>
 </head>
 <body>
 </body>
 </html>
	<html>
	<head>
	<script>
	window.history.existingCustomProperty = 1;
	window.history.__proto__.prototypeCustomProperty = 1;

	window.onload = function()
	{
	if (window.testRunner)
	testRunner.globalFlag = true;
	}
	</script>
	</head>
	<body>
	</body>
	</html>