Reason for revert: Failures on the Linux Memcheck bot Original issue's description: > This approach passes packetization mode to the encoder as part of > a cricket::VideoCodec structure, rather than as part of struct VideoCodecH264 inside webrtc::VideoCodec. > > BUG=600254 > > Committed: https://crrev.com/e59647b991f61cf1cf61b020356705e6c0f81257 > Cr-Commit-Position: refs/heads/master@{#15437} TBR=hbos@webrtc.org,sprang@webrtc.org,mflodman@webrtc.org,magjed@webrtc.org # Skipping CQ checks because original CL landed less than 1 days ago. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=600254 Review-Url: https://codereview.webrtc.org/2558453002 Cr-Commit-Position: refs/heads/master@{#15441}