Reason for revert: Breaking Chrome FYI bots. Original issue's description: > Cleanups in cricket::VideoFrame and cricket::WebRtcVideoFrame. > > Removed some protected virtual methods from VideoFrame that no longer > need to exist. Some minor cleanups in the tests. > > BUG=webrtc:5682 > > Committed: https://crrev.com/742d7b10b9720ec43de26e0faef52e5cb9c0daa8 > Cr-Commit-Position: refs/heads/master@{#13275} TBR=pbos@webrtc.org,nisse@webrtc.org,deadbeef@webrtc.org,sergeyu@chromium.org # Skipping CQ checks because original CL landed less than 1 days ago. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=webrtc:5682 Review-Url: https://codereview.webrtc.org/2091983002 Cr-Commit-Position: refs/heads/master@{#13277}