mac: Lower static initializer expectations by 1, to 12.

BUG=94925
TBR=cpu@chromium.org

Review URL: https://codereview.chromium.org/27685003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229167 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229167