Yes-ish. Same exact mechanism to enable it inside the WebView, but the tough (well, marginally) part is how you apply that to all the WebViews on the system.
Don't get me wrong, this is not a substantial patch. However, it saves you from a couple hours of debugging random issues; I don't think $1 is unreasonable. I don't really care about making money off it, though, I'm just curious to see how it does.
http://atnan.com/blog/2011/11/03/enabling-and-using-webgl-on...
? I've never tried it, but the occasional screenshot and video have shown up online from people saying it works pretty well.