In 254382@main everything went in either Utitlities.cpp or UtitlitiesCocoa.mm so simplify the build
Pull request: https://github.com/WebKit/WebKit/pull/4275
Committed 254412@main (440d3b257da6): <https://commits.webkit.org/254412@main> Reviewed commits have been landed. Closing PR #4275 and removing active labels.