Bug 863289 - GC: Continue the rooting of XPConnect r=bholley
Bug 863767 - GC: Rooting for XPCCallContext r=bholley
Bug 864046 - GC: Almost the last rooting fixes in XPConnect - part 1 r=bholley
Bug 864046 - GC: Almost the last rooting fixes in XPConnect - part 2 r=bholley