o3d: Fix the mac build broken on r53286.
o3d: Fix the mac build broken on r53286.

BUG=None
TEST=None

Signed-off-by: Thiago Farina <tfarina@chromium.org>

Review URL: http://codereview.chromium.org/3026017

git-svn-id: http://src.chromium.org/svn/trunk/src@53291 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 08158d2f0b25c9115b95d80f72e3664a692a3eaf
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser