chromium/src/third_party/blink/web_tests/compositing/overflow/composited-scroller-can-be-normal-flow.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE HTML>
 <style>
 .scroller {
     width: 100px;
     height: 100px;
     overflow: auto;
     border: 1px solid black;
 }
 .scrolled {
     width: 40px;
     height: 40px;
     background: green;
 }
 .fixed {
     width: 100px;
     height: 30px;
     position: fixed;
     background: blue;
     backface-visibility: hidden;
 }
 </style>
 <script>
     if (window.internals)
         internals.settings.setPreferCompositingToLCDTextEnabled(true);
 </script>
 <div class="fixed"></div>
 <div class="scroller">
     <div class="scrolled"></div>
     <div class="scrolled"></div>
     <div class="scrolled"></div>
     <div class="scrolled"></div>
 </div>
	<!DOCTYPE HTML>
	<style>
	.scroller {
	width: 100px;
	height: 100px;
	overflow: auto;
	border: 1px solid black;
	}
	.scrolled {
	width: 40px;
	height: 40px;
	background: green;
	}
	.fixed {
	width: 100px;
	height: 30px;
	position: fixed;
	background: blue;
	backface-visibility: hidden;
	}
	</style>
	<script>
	if (window.internals)
	internals.settings.setPreferCompositingToLCDTextEnabled(true);
	</script>
	<div class="fixed"></div>
	<div class="scroller">
	<div class="scrolled"></div>
	<div class="scrolled"></div>
	<div class="scrolled"></div>
	<div class="scrolled"></div>
	</div>