Adding Date::ResetCache() API so that the cache values in the Date object...

include/v8.h

 // Copyright 2007-2009 the V8 project authors. 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1337 matching lines @@
  public:
   V8EXPORT static Local<Value> New(double time);
 
   /**
    * A specialization of Value::NumberValue that is more efficient
    * because we know the structure of this object.
    */
   V8EXPORT double NumberValue() const;
 
   static inline Date* Cast(v8::Value* obj);
+
+  /**
+   * Notification that the embedder has changed the time zone,
+   * daylight savings time, or other date / time configuration
+   * parameters.  V8 keeps a cache of various values used for
+   * date / time computation.  This notification will reset
+   * those cached values for the current context so that date /
+   * time configuration changes would be reflected in the Date
+   * object.
+   *
+   * This API should not be called more than needed as it will
+   * negatively impact the performance of date operations.
+   */
+  V8EXPORT static void DateTimeConfigurationChangeNotification();
+
  private:
   V8EXPORT static void CheckCast(v8::Value* obj);
 };
 
 
 /**
  * An instance of the built-in RegExp constructor (ECMA-262, 15.10).
  */
 class RegExp : public Value {
  public:
@@ skipping 2399 matching lines @@
 
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_