Reason for revert:
fix
Original issue's description:
> Revert of Save width/height of SPS nalus and restore them on the first packet of an IDR. (patchset #6 id:100001 of https://codereview.webrtc.org/2750633003/ )
>
> Reason for revert:
> Breaks build bots.
>
> Original issue's description:
> > Save width/height of SPS nalus and restore them on the first packet of an IDR.
> >
> > It appears that for some H264 streams that the width/height is not set for
> > the first packet of the IDR but in the packet containing the SPS/PPS.
> >
> > BUG=chromium:698088, webrtc:7139
> >
> > Review-Url: https://codereview.webrtc.org/2750633003
> > Cr-Commit-Position: refs/heads/master@{#17239}
> > Committed: 620d75f5be
>
> TBR=stefan@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:698088, webrtc:7139
>
> Review-Url: https://codereview.webrtc.org/2754543005
> Cr-Commit-Position: refs/heads/master@{#17250}
> Committed: be35a008efTBR=stefan@webrtc.org
BUG=chromium:698088, webrtc:7139
Review-Url: https://codereview.webrtc.org/2751843003
Cr-Commit-Position: refs/heads/master@{#17289}