chromium/src/third_party/blink/web_tests/css3/masking/mask-invalid-svg-root.html - manifest_repos/chromium_src - Git at Google

 <!doctype html>
 <title>CSS Masking: An invalid mask reference generates a transparent black mask</title>
 <div style="width: 100px; height: 100px; background-color: green">
   <svg mask="url(#nonexistent)" style="-webkit-mask: url(#nonexistent)">
     <rect width="100" height="100" fill="red"/>
   </svg>
 </div>
	<!doctype html>
	<title>CSS Masking: An invalid mask reference generates a transparent black mask</title>
	<div style="width: 100px; height: 100px; background-color: green">
	<svg mask="url(#nonexistent)" style="-webkit-mask: url(#nonexistent)">
	<rect width="100" height="100" fill="red"/>
	</svg>
	</div>