Revert 266624 "cc: Split animating and drawing into separate act..."

Revert 266624 "cc: Split animating and drawing into separate act..."

> cc: Split animating and drawing into separate actions
> 
> Split impl-side animating and drawing into separate actions. This is
> needed to allow for the possibility of a commit between animating and
> drawing so that the main thread gets a chance to consume the new
> animation state. In particular this allows the main thread to
> synchronize with a fling animation using an onscroll handler.
> 
> BUG=347366
> 
> Review URL: https://codereview.chromium.org/206793003

Reason for revert: Broke some downstream unit tests.

TBR=skyostil@chromium.org
BUG=368064
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=266895

[Sami, 2014-04-29 15:50:07]

Committed patchset #1 manually as r266895.