Bug 850252 - Remove Off-Main-Thread XPCWrappedJS refcounting from nsHttpConnection. r=mcmanus
Bug 770840 - Remove XPConnect test that explicitly runs JS on a seperate thread. v1

This test used to check that we'd error-out properly, but now it'll just cause us to abort.
Bug 770840 - Add Runtime aborts when using XPCWrappedJS off-main-thread. v2