third_party/blink/web_tests/paint/invalidation/collapse-anonymous-block-child.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <script src="../../resources/run-after-layout-and-paint.js"></script>
 <script>
 onload = function() {
   runAfterLayoutAndPaint(function() {
     block.style.display = 'none';
   }, true);
 };
 </script>
 <span>Tests</span> anonymous block is collapsed. Passes if this line doesn't change when 'Block' disappears.
 <div id="block">Block</div>
	<!DOCTYPE html>
	<script src="../../resources/run-after-layout-and-paint.js"></script>
	<script>
	onload = function() {
	runAfterLayoutAndPaint(function() {
	block.style.display = 'none';
	}, true);
	};
	</script>
	<span>Tests</span> anonymous block is collapsed. Passes if this line doesn't change when 'Block' disappears.
	<div id="block">Block</div>