third_party/WebKit/LayoutTests/fast/block/positioning/vertical-rl/absolute-in-vertical-rl-iframe-expected.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <div>The blue square should be at the top-left corner of the iframe.</div>
 <iframe srcdoc="
   <!DOCTYPE html>
   <body style='overflow: scroll; margin: 0'>
     <div style='position: absolute; top: 0; left: 0; width: 100px; height: 100px; background: blue'></div>
   </body>">
 </iframe>
	<!DOCTYPE html>
	<div>The blue square should be at the top-left corner of the iframe.</div>
	<iframe srcdoc="
	<!DOCTYPE html>
	<body style='overflow: scroll; margin: 0'>
	<div style='position: absolute; top: 0; left: 0; width: 100px; height: 100px; background: blue'></div>
	</body>">
	</iframe>