Bug 1102898 - Need to unregister plugin offline observer on Mac, Linux (r=bsmedberg)
Bug 1099410 - [e10s] Fix re-entrant plugin loading (r=bsmedberg)
Bug 1102634 - [e10s] Add pref for add-on shims (r=ally)
Bug 1102635 - [e10s] Handle factory unregistration better in AboutProtocol shim (r=mconley)