1 files changed, 17 insertions, 0 deletions
diff --git a/JavaScriptCore/wtf/DateMath.h b/JavaScriptCore/wtf/DateMath.h
index 6d4ac1e..033d25e 100644
--- a/JavaScriptCore/wtf/DateMath.h
+++ b/JavaScriptCore/wtf/DateMath.h
@@ -76,8 +76,25 @@ const double msPerHour = 60.0 * 60.0 * 1000.0;
 const double msPerDay = 24.0 * 60.0 * 60.0 * 1000.0;
 const double msPerMonth = 2592000000.0;
 
+// Returns the number of days from 1970-01-01 to the specified date.
+double dateToDaysFrom1970(int year, int month, int day);
+int msToYear(double ms);
+int dayInYear(double ms, int year);
+int monthFromDayInYear(int dayInYear, bool leapYear);
+int dayInMonthFromDayInYear(int dayInYear, bool leapYear);
+
 } // namespace WTF
 
+using WTF::dateToDaysFrom1970;
+using WTF::dayInMonthFromDayInYear;
+using WTF::dayInYear;
+using WTF::minutesPerHour;
+using WTF::monthFromDayInYear;
+using WTF::msPerDay;
+using WTF::msPerSecond;
+using WTF::msToYear;
+using WTF::secondsPerMinute;
+
 #if USE(JSC)
 namespace JSC {
 class ExecState;