Kill WTF::GregorianDateTime class

Source/platform/DateComponents.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 56 matching lines @@
         Month,
         Time,
         Week,
     };
 
     int millisecond() const { return m_millisecond; }
     int second() const { return m_second; }
     int minute() const { return m_minute; }
     int hour() const { return m_hour; }
     int monthDay() const { return m_monthDay; }
+    int weekDay() const;
     int month() const { return m_month; }
     int fullYear() const { return m_year; }
     int week() const { return m_week; }
     Type type() const { return m_type; }
 
     enum SecondFormat {
         None, // Suppress the second part and the millisecond part if they are 0.
         Second, // Always show the second part, and suppress the millisecond part if it is 0.
         Millisecond // Always show the second part and the millisecond part.
     };
@@ skipping 118 matching lines @@
     int m_year; //  1582 -
     int m_week; // 1 - 53
 
     Type m_type;
 };
 
 
 } // namespace WebCore
 
 #endif // DateComponents_h