Bug 866823 - Don't create waivers in WaiveXrayAndWrap if the caller has no business waiving. r=gabor, r=mrbkap, a=akeybl
Bug 866823 - Handle standard prototype remapping in PrepareForWrapping. r=gabor, r=mrbkap, a=akeybl
Bug 837631 - Upgrade Virtualenv to 1.8.4 and backport upstream fixes. r=glandium, a=leo+

python/virtualenv from mozilla-central at feccfce43b59 replaces the
existing virtualenv.
Bug 821801 - Make nsContentUtils::ViewportInfo into a separate class in order to allow better state tracking. r=kats, a=leo+
Bug 862763 - Cache whether font size inflation is enabled in the pres shell for efficiency. r=dbaron, a=leo+
Bug 862763 - Followup 1: Make MaybeReflowForInflationScreenWidthChange trigger a reflow when font inflation prefs change in either direction. r=dbaron, a=leo+