Move DOMSettableTokenList / DOMTokenList to dom/ folder

Source/core/dom/DOMTokenList.h

 /*
  * Copyright (C) 2010 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:
  * 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 23 matching lines @@
 class Element;
 class ExceptionState;
 
 class DOMTokenList : public ScriptWrappable {
     WTF_MAKE_NONCOPYABLE(DOMTokenList); WTF_MAKE_FAST_ALLOCATED;
 public:
     DOMTokenList()
     {
         ScriptWrappable::init(this);
     }
-    virtual ~DOMTokenList() {};
+    virtual ~DOMTokenList() { };
 
     virtual void ref() = 0;
     virtual void deref() = 0;
 
     virtual unsigned length() const = 0;
     virtual const AtomicString item(unsigned index) const = 0;
 
     bool contains(const AtomicString&, ExceptionState&) const;
     virtual void add(const Vector<String>&, ExceptionState&);
     void add(const AtomicString&, ExceptionState&);
@@ skipping 18 matching lines @@
     static bool validateTokens(const Vector<String>&, ExceptionState&);
     static String addToken(const AtomicString&, const AtomicString&);
     static String addTokens(const AtomicString&, const Vector<String>&);
     static String removeToken(const AtomicString&, const AtomicString&);
     static String removeTokens(const AtomicString&, const Vector<String>&);
 };
 
 } // namespace WebCore
 
 #endif // DOMTokenList_h