Bug 834100 - Null deref if you call addIceCandidate on an RTCPeerConnection before setting localDesc [@ fsmdef_ev_addcandidate]. r=abr

--HG--
extra : transplant_source : %F8%E4%0A%B9%BFl%D4%E2%5D%96%EB%E0k%F5%1C%DAe%23%EA%1E
Bug 788185: add a/v sync to Audio/Video Conduits r=derf

--HG--
extra : transplant_source : %BEv%18%2B%91%A6n%CF%B4d%DF-%9B%8D%E4%81%EDW%CE%90
Bug 823056: Move locks to protect linked_ptr<> instances r=ehugg

--HG--
extra : transplant_source : %14%C5%0F%12%0F%E9%EF%C5w%2C3d4%EF%91Q%00%B7%0CC
Bug 837421: Webrtc: Ignore second call to ConnectDataConnection r=derf

--HG--
extra : transplant_source : %B1%0C%BE3B%17%96%9B%0F%BD%5B%9F%DFNzg%D0%80%8C2