Peter Boström 1a9d615cbf Add tracing to public PeerConnection methods.
Adds tracing specifically to Close, for creating streams and also moves
tracing for SetLocal/RemoteDescription from WebRtcSession. Also adding
some tracing in ChannelManager to see what's taking time inside Close.

BUG=webrtc:5167
R=tommi@webrtc.org

Review URL: https://codereview.webrtc.org/1509903002 .

Cr-Commit-Position: refs/heads/master@{#10943}
2015-12-08 21:15:26 +00:00
..
2015-12-08 17:50:33 +00:00
2015-10-27 11:08:19 +00:00