<!DOCTYPE html>
<body onload="scrollBy(0, 200)" style="height: 2000px">
Tests invalidation of fixed element when scrolled in a page with empty root layer. Passes if there is no red.
<div style="
position: absolute;
top: 250px;
left: 0;
width: 100px;
height: 100px;
background: green">
</div>
</body>