isheriff 5aaa9faa9b Remove thread_checker in playout_delay_oracle
It appears there the encode and send operation can happen over multiple
threads. Also, padding data itself may be sent on a different thread.
Remove thread checker and protect all data with crit_sect.

BUG=webrtc:5998
TBR=stefan@webrtc.org

Review-Url: https://codereview.webrtc.org/2066863002
Cr-Commit-Position: refs/heads/master@{#13137}
2016-06-14 17:55:46 +00:00
..
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