Karl Wiberg 744310fcea Add thread safety annotation for PeerConnection::observer_ and factory_
Plus all the annotations that are necessary to make things compile
again.

(The latter could only be made const, since it is accessed from both
the signal thread and the worker thread.)

Bug: webrtc:9987
Change-Id: I49f1568d26a327f48cd94c2c70bc5939e9fbd59a
Reviewed-on: https://webrtc-review.googlesource.com/c/122842
Reviewed-by: Steve Anton <steveanton@webrtc.org>
Commit-Queue: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26715}
2019-02-15 17:17:51 +00:00
..
2019-01-28 11:17:00 +00:00