Codebase Browser
chromium
Go to App

chromium/chrome/test/data/android/media/simple_video.html 

<html>
<title>test</title>
<body bgcolor="Silver">
<!-- Width should be large enough to dispaly all media controls without needing
an overflow menu. -->
<video src="test.webm" controls id="video" width=500></video>
</body>
</html>