Revert of Takeover MT initiated animations from the compositor

Revert of Takeover MT initiated animations from the compositor (patchset #1 id:1 of https://codereview.chromium.org/1782563002/ )

Reason for revert:
Merged incorrectly. Will revert for now and remerge.

Original issue's description:
> Takeover MT initiated animations from the compositor
> 
> This is a followup CL to https://crrev.com/1734063003/. It finishes a
> MT initiated animation running on the compositor, on the MT.
> 
> BUG=581875
> 
> Review URL: https://codereview.chromium.org/1770443002
> 
> Cr-Commit-Position: refs/heads/master@{#379868}
> (cherry picked from commit d0eaee288867a6e00e4a9c3fa65d28e4de9e922a)

TBR=
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=581875

[ymalik, 2016-03-10 02:24:56]

Created Revert of Takeover MT initiated animations from the compositor

[commit-bot: I haz the power, 2016-03-10 02:25:27]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1778223002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1778223002/1

[commit-bot: I haz the power, 2016-03-10 02:26:48]

Committed patchset #1 (id:1)