cd4a9bd225
Reduces number of running (high-priority) threads, even though the thread was practically blocked all the time. Also adding DCHECKs to make sure we're not trying to use certain sender-only methods on receivers and vice versa. BUG=webrtc:1675, webrtc:1695 R=stefan@webrtc.org Review URL: https://codereview.webrtc.org/1222193003 Cr-Commit-Position: refs/heads/master@{#9534}