Peter Boström 9f45a45a62 Add tracing to upper-level WebRTC calls.
Adds tracing to WebRtcSession and corresponding BaseChannel calls to see
where time is spent better.

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

Review URL: https://codereview.webrtc.org/1505023003 .

Cr-Commit-Position: refs/heads/master@{#10934}
2015-12-08 12:26:11 +00:00
..
2015-10-27 11:08:19 +00:00