third_party/blink/web_tests/display-lock/lock-after-append/delayed-acquire-removes-painted-output-expected.html - chromium/src - Git at Google

 <!doctype HTML>

 <style>
 #container {
   contain: style layout;
   width: 150px;
   height: 150px;
 }
 #checker {
   width: 50px;
   height: 50px;
   background: green;
 }
 </style>

 <div id="container"></div>
 <div id="checker"></div>
	<!doctype HTML>

	<style>
	#container {
	contain: style layout;
	width: 150px;
	height: 150px;
	}
	#checker {
	width: 50px;
	height: 50px;
	background: green;
	}
	</style>

	<div id="container"></div>
	<div id="checker"></div>