Reason for revert: This might be breaking projects downstream. Original issue's description: > Remove deprected functions from EncodedImageCallback and RtpRtcp > > Removed EncodedImageCallback::Encoded() and RtpRtcp::SendOutgoingData(). > These methods should no longer be used anywhere and it's safe to remove > them. > > BUG=chromium:621691 > > Committed: https://crrev.com/fa565842718ad178a7562721b25d916fbabc2b92 > Cr-Commit-Position: refs/heads/master@{#14902} TBR=mflodman@webrtc.org,stefan@webrtc.org,sergeyu@chromium.org # Skipping CQ checks because original CL landed less than 1 days ago. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=chromium:621691 Review-Url: https://codereview.webrtc.org/2474433008 Cr-Commit-Position: refs/heads/master@{#14914}