The same functionality is provided by platform/win/SystemTimeWin.cpp.
Created attachment 50106 [details] The patch
Comment on attachment 50106 [details] The patch OK.
Comment on attachment 50106 [details] The patch Clearing flags on attachment: 50106 Committed r55624: <http://trac.webkit.org/changeset/55624>
All reviewed patches have been landed. Closing bug.