src/third_party/web_platform_tests/conformance-checkers/html-aria/author-requirements/577.html - cobalt - Git at Google

 <!DOCTYPE html>
 <html>
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
     <title>A &lt;div&gt; with role="grid" and a child div with role="rowgroup" who has a child of role="button".</title>
   </head>
   <body>
     <div id="test" role="grid">
       <div id="gridChild" role="rowgroup">
         <span id="rowgroupChild" role="button">Grid <abbr title="containing">→</abbr> rowgroup <abbr title="containing">→</abbr> button</span>
       </div>
     </div>
   </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<title>A <div> with role="grid" and a child div with role="rowgroup" who has a child of role="button".</title>
	</head>
	<body>
	<div id="test" role="grid">
	<div id="gridChild" role="rowgroup">
	<span id="rowgroupChild" role="button">Grid <abbr title="containing">→</abbr> rowgroup <abbr title="containing">→</abbr> button</span>
	</div>
	</div>
	</body>
	</html>