instead of pair of pointer + size.
it removes hidden memcpy in RtpPacketReceived::Parse:
RtpPacketReceived keeps a reference to a CopyOnWriteBuffer. By
passing it the same CopyOnWriteBuffer that was created by
BaseChannel, one allocation and memcpy is avoided.
Bug: None
Change-Id: I5f89f478b380fc9aece3762d3a04f228d48598f5
Reviewed-on: https://webrtc-review.googlesource.com/23761
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21143}