439f0bc69a
This cl prepares for a later CL introducing a new send side congestion controller that will run on a task queue. It mostly consists of minor fixes but adds some new interfaces that are unused in practice. Bug: webrtc:8415 Change-Id: I1b58d0180a18eb15320d18733dac0dfe2e0f902a Reviewed-on: https://webrtc-review.googlesource.com/53321 Commit-Queue: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Björn Terelius <terelius@webrtc.org> Reviewed-by: Stefan Holmer <stefan@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22099}