The "IsCurrent" check seems to have been missing from the class, but may help with
tracking down issue 10880. I also replaced the 'infinite' wait in SendTask with a
couple of timeouts, arbitrarily chosen 30 seconds for 'abandon wait' and 10
seconds for 'warning' log.
Change-Id: Ia40a68658dd007c60771135718511f7e4110c0b0
Bug: webrtc:10880
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/149068
Commit-Queue: Tommi <tommi@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28865}
6e4791fe49