[Chromium] Fix Chromium Mac build
Created attachment 71501 [details] Patch
Committed r70272: <http://trac.webkit.org/changeset/70272>
http://trac.webkit.org/changeset/70272 might have broken GTK Linux 64-bit Debug The following tests are not passing: mathml/presentation/fenced-mi.xhtml mathml/presentation/fenced.xhtml mathml/presentation/fractions-vertical-alignment.xhtml mathml/presentation/over.xhtml mathml/presentation/roots.xhtml mathml/presentation/row-alignment.xhtml mathml/presentation/subsup.xhtml