Reason for revert: Downstream code has been updated. Original issue's description: > Revert of Remove RTPPayloadStrategy and simplify RTPPayloadRegistry (patchset #7 id:240001 of https://codereview.webrtc.org/2524923002/ ) > > Reason for revert: > Breaks downstream projects. > > Original issue's description: > > Remove RTPPayloadStrategy and simplify RTPPayloadRegistry > > > > This CL removes RTPPayloadStrategy that is currently used to handle > > audio/video specific aspects of payload handling. Instead, the audio and > > video specific aspects will now have different functions, with linear > > code flow. > > > > This CL does not contain any functional changes, and is just a > > preparation for future CL:s. > > > > The main purpose with this CL is to add this function: > > bool PayloadIsCompatible(const RtpUtility::Payload& payload, > > const webrtc::VideoCodec& video_codec); > > that can easily be extended in a future CL to look at video codec > > specific information. > > > > BUG=webrtc:6743 > > > > Committed: https://crrev.com/b881254dc86d2cc80a52e08155433458be002166 > > Cr-Commit-Position: refs/heads/master@{#15232} > > TBR=danilchap@webrtc.org,solenberg@webrtc.org,mflodman@webrtc.org > # Skipping CQ checks because original CL landed less than 1 days ago. > NOPRESUBMIT=true > NOTREECHECKS=true > NOTRY=true > BUG=webrtc:6743 > > Committed: https://crrev.com/33c81d05613f45f65ee17224ed381c6cdd1c6c6f > Cr-Commit-Position: refs/heads/master@{#15234} TBR=danilchap@webrtc.org,solenberg@webrtc.org,mflodman@webrtc.org # Skipping CQ checks because original CL landed less than 1 days ago. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=webrtc:6743 Review-Url: https://codereview.webrtc.org/2531043002 Cr-Commit-Position: refs/heads/master@{#15245}