third_party/blink/web_tests/compositing/layer-creation/assumed-overlap-for-inline-transform.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <style>
 .box {
   position: relative;
   width: 100px;
   height: 100px;
 }
 </style>
 <div class="box" style="transform: translateZ(0); background-color: blue;"></div>
 <div class="box" style="background-color: yellow;"></div>
 <script>
 if (window.testRunner) {
     testRunner.dumpAsText();
     testRunner.setCustomTextOutput(internals.layerTreeAsText(document));
 }
 </script>
	<!DOCTYPE html>
	<style>
	.box {
	position: relative;
	width: 100px;
	height: 100px;
	}
	</style>
	<div class="box" style="transform: translateZ(0); background-color: blue;"></div>
	<div class="box" style="background-color: yellow;"></div>
	<script>
	if (window.testRunner) {
	testRunner.dumpAsText();
	testRunner.setCustomTextOutput(internals.layerTreeAsText(document));
	}
	</script>