Reason for revert:
Broke Chrome build, see, e.g.,
http://build.chromium.org/p/chromium.webrtc.fyi/builders/Linux%20Builder/builds/16237
Original issue's description:
> Delete deprecated and transitional stuff related to video frame refactoring.
>
> BUG=webrtc:5880
>
> Review-Url: https://codereview.webrtc.org/2622263002
> Cr-Commit-Position: refs/heads/master@{#17928}
> Committed: 713a3bbcc7
TBR=mflodman@webrtc.org,perkj@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:5880
Review-Url: https://codereview.webrtc.org/2845333002
Cr-Commit-Position: refs/heads/master@{#17929}