Revert of Add nanosecond timer. (https://codereview.chromium.org/250243002/)

Revert of Add nanosecond timer. (https://codereview.chromium.org/250243002/)

Reason for revert:
breaks EVERYTHING

Original issue's description:
> Add nanosecond timer.
>
> I've been finding it hard to get enough resolution out of our existing timers when measuring really tiny pictures.
>
> BUG=skia:2378
>
> Committed: http://code.google.com/p/skia/source/detail?r=14362

R=bsalomon@google.com, bungeman@google.com, mtklein@chromium.org
TBR=bsalomon@google.com, bungeman@google.com, mtklein@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=skia:2378

Author: mtklein@google.com

Review URL: https://codereview.chromium.org/258703002

git-svn-id: http://skia.googlecode.com/svn/trunk@14364 2bbb7eff-a529-9590-31e7-b0007b416f81