Revert of Statically initialize those zero-size singletons. (https://codereview.chromium.org/270353003/)

Reason for revert:
breaks windows bots

Original issue's description:
> Statically initialize those zero-size singletons.
>
> This way GCC/Clang don't generate the magic static code to call the
> pointless T::T() once in a threadsafe way.  = {} is plenty initialized.
>
> BUG=skia:2378
>
> Committed: http://code.google.com/p/skia/source/detail?r=14623

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

Author: mtklein@google.com

Review URL: https://codereview.chromium.org/270363005

git-svn-id: http://skia.googlecode.com/svn/trunk@14625 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed