Revert of have DeferredDevice inherit from SkBaseDevice (https://codereview.chromium...

Revert of have DeferredDevice inherit from SkBaseDevice (https://codereview.chromium.org/165393006/)

Reason for revert:
broke tests

Original issue's description:
> have DeferredDevice inherit from SkBaseDevice
>
> mirror of 165813003
>
> BUG=skia:
>
> Committed: https://code.google.com/p/skia/source/detail?r=13452

TBR=
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Author: reed@google.com

Review URL: https://codereview.chromium.org/163183011

git-svn-id: http://skia.googlecode.com/svn/trunk@13453 2bbb7eff-a529-9590-31e7-b0007b416f81