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chromium
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chromium/content/test/data/accessibility/accname/desc-img-describedby.html 

<!--
@BLINK-DENY:name*
-->
<!doctype html>
<html>
<body>
<img id="test" aria-describedby="ID1" src="test.png">
<div id="ID1">foo</div>
</body>
</html>