It looks like this function became unused after
It looks like this function became unused after nsRect::ExtendForScaling was removed, and so is no longer needed.
Created attachment 544105 [details] [diff] [review]
Fix removes the now-unused function.
Comment on attachment 544105 [details] [diff] [review]
Looks good. Be sure to push this to try for a compile only.
Try builds were successful:
Landed this earlier today -- I thought I noted it here but I guess I didn't. :)