Fix Moz2D build

Fix Moz2D build

BUG=skia:2221
Committed: http://code.google.com/p/skia/source/detail?r=14647

[reed1, 2014-05-08 14:57:52]

lgtm

[borenet, 2014-05-08 14:58:21]

The CQ bit was checked by borenet@google.com

[reed1, 2014-05-08 14:58:45]

I wonder if we can move this sort of guard mechanism into moz code, so they can
more easily perform this sort of fix (and later remove it when their call-sites
are updated)...

[commit-bot: I haz the power, 2014-05-08 14:59:33]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/borenet@google.com/277593003/20001

[borenet, 2014-05-08 15:00:39]

On 2014/05/08 14:58:45, reed1 wrote:
> I wonder if we can move this sort of guard mechanism into moz code, so they
can
> more easily perform this sort of fix (and later remove it when their
call-sites
> are updated)...

Simplest thing I can think of is adding some "extra_defines" gyp variable which
anyone can use as they please.

[commit-bot: I haz the power, 2014-05-08 15:30:04]

Change committed as 14647