LayoutTests/fast/frames/iframe-scaling-with-scroll.html - WebKit - Git at Google

 <html>
 <body>
 <iframe style="-webkit-transform-origin: 0% 0%;  position: absolute; width: 50%;  height: 50%; -webkit-transform:  scale(0.5, 0.5);" src="data:text/html,<body><div style='width: 1000px; height: 1000px; background-color: green;'></div></body>"></iframe>
 </body>
 </html>
	<html>
	<body>
	<iframe style="-webkit-transform-origin: 0% 0%; position: absolute; width: 50%; height: 50%; -webkit-transform: scale(0.5, 0.5);" src="data:text/html,<body><div style='width: 1000px; height: 1000px; background-color: green;'></div></body>"></iframe>
	</body>
	</html>