brandtr 3d200bd6ac Remove FlexfecConfig and replace with specific struct in VideoSendStream.
The existence of FlexfecConfig is due to a naive design. Now when it
is not used on the receiving side (see https://codereview.webrtc.org/2542413002),
it is time to remove it from the sending side as well.

BUG=webrtc:5654

Review-Url: https://codereview.webrtc.org/2621573002
Cr-Commit-Position: refs/heads/master@{#16097}
2017-01-16 14:59:19 +00:00
..
2016-09-10 05:40:34 +00:00
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