Peter Boström 1d04ac6f29 Untangle ViEChannel and ViEEncoder.
Extracts shared members outside the two objects, removing PayloadRouter
from receivers and the VCM for ViEChannel from senders.

Removes Start/StopThreadsAndSetSharedMembers that was used to set the
shared state between them.

Also adding DCHECKs to document what's only used by the
sender/receiver side.

BUG=webrtc:5494
R=stefan@webrtc.org

Review URL: https://codereview.webrtc.org/1654913002 .

Cr-Commit-Position: refs/heads/master@{#11500}
2016-02-05 10:25:52 +00:00
..
2015-12-16 19:44:39 +00:00