Support indexed setter generation

Source/core/storage/Storage.h

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 37 matching lines @@
         String getItem(const String& key, ExceptionCode& ec) const { return m_storageArea->getItem(key, ec, m_frame); }
         void setItem(const String& key, const String& value, ExceptionCode& ec) { m_storageArea->setItem(key, value, ec, m_frame); }
         void removeItem(const String& key, ExceptionCode& ec) { m_storageArea->removeItem(key, ec, m_frame); }
         void clear(ExceptionCode& ec) { m_storageArea->clear(ec, m_frame); }
         bool contains(const String& key, ExceptionCode& ec) const { return m_storageArea->contains(key, ec, m_frame); }
 
         StorageArea* area() const { return m_storageArea.get(); }
 
         String anonymousIndexedGetter(unsigned, ExceptionCode&);
         String anonymousNamedGetter(const AtomicString&, ExceptionCode&);
-        bool anonymousNamedSetter(const AtomicString& name, const AtomicString& value, ExceptionCode&);
+        bool anonymousNamedSetter(const AtomicString& name, const AtomicString& value, bool isValueNull, bool isValueUndefined, ExceptionCode&);
+        bool anonymousIndexedSetter(unsigned, const AtomicString&, bool isValueNull, bool isValueUndefined, ExceptionCode&);
 
     private:
         Storage(Frame*, PassRefPtr<StorageArea>);
 
         RefPtr<StorageArea> m_storageArea;
     };
 
 } // namespace WebCore
 
 #endif // Storage_h