Created attachment 577761 [details]
testcase (crashes Firefox when loaded)
Regression from bug 704171?
Created attachment 577762 [details]
I think I hit this while zooming in on Google Maps (WebGL) bp-329ef1ab-2dd0-4456-811e-859ae2111130.
Yeah, sure looks like it. Good thing I was in the middle of testing the patch. ;)
Created attachment 578083 [details] [diff] [review]
Handle null passed to requestAnimationFrame gracefully.
*** Bug 706774 has been marked as a duplicate of this bug. ***