Create the SrtpTransportInterface.
Create the SrtpTransportInterface, a subclass of RtpTransportInterface, which
allows the user to set the send and receive keys. The functionalities are
implemented inside the RtpTransportAdapters on top of BaseChannel.
BUG=webrtc:7013
Review-Url: https://codereview.webrtc.org/2714813004
Cr-Original-Commit-Position: refs/heads/master@{#17023}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: d3501adf17fda4ad270faee89b6fe4f4a496b147
18 files changed