third_party/blink/web_tests/fast/canvas/check-stale-putImageData-expected.html - chromium/src - Git at Google

 <html><head></head><body>
     1, 3, and 4 should all show the same red square. 2 should show nothing.
 <ol>
 <li><canvas style="background-color:red;" width="100" height="100"></canvas></li>
 <li><canvas width="100" height="100"></li>
 <li><canvas style="background-color:red;" width="100" height="100"></li>
 <li><canvas style="background-color:red;" width="100" height="100"></li>
 </ol>

 </body></html>
	<html><head></head><body>
	1, 3, and 4 should all show the same red square. 2 should show nothing.
	<ol>
	<li><canvas style="background-color:red;" width="100" height="100"></canvas></li>
	<li><canvas width="100" height="100"></li>
	<li><canvas style="background-color:red;" width="100" height="100"></li>
	<li><canvas style="background-color:red;" width="100" height="100"></li>
	</ol>

	</body></html>