FileTimeToMicroseconds   76 base/time/time_win.cc   return FileTimeToMicroseconds(ft);
FileTimeToMicroseconds  149 base/time/time_win.cc   return Time(FileTimeToMicroseconds(ft));
FileTimeToMicroseconds  237 base/time/time_win.cc   return Time(FileTimeToMicroseconds(ft));