For those who missed it, Chrome 38-39 looks like it will be shipping with ORTC 1.1 RTPSender / Receiver APIs as announced by Justin Uberti at Google I/O 2014. This really should not come as any surprise as RTPSender / Receiver APIs are now on track for WebRTC 1.0 integration as well, as per the last W3C WebRTC WG Interim meeting.
[youtube https://www.youtube.com/watch?v=GBAEG_RuqeE?t=15m43s]