Bug 930504 - When possible, use character substitution for basic mathvariants. r=karlt
Bug 983489 - Delay destroying mCompositor to prevent crash. r=nical
Bug 1009228 - Replace use of RefPtr with nsRefPtr. r=kats
Bug 1001569 - Yarr ARM: Free Segments using js_delete to match their allocation with js_new. r=jorendorff