Remove SetWrapperReferenceTo and SetWrapperReferenceFrom

third_party/WebKit/Source/core/dom/DOMStringMap.h

 /*
  * Copyright (C) 2010 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 18 matching lines @@
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
-class Element;
-
 class DOMStringMap : public GarbageCollected<DOMStringMap>,
                      public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
   WTF_MAKE_NONCOPYABLE(DOMStringMap);
 
  public:
   virtual void getNames(Vector<String>&) = 0;
   virtual String item(const String& name) = 0;
   virtual bool contains(const String& name) = 0;
   virtual void setItem(const String& name,
                        const String& value,
                        ExceptionState&) = 0;
   virtual bool deleteItem(const String& name) = 0;
   bool anonymousNamedSetter(const String& name,
                             const String& value,
                             ExceptionState& exceptionState) {
     setItem(name, value, exceptionState);
     return true;
   }
   DeleteResult anonymousNamedDeleter(const AtomicString& name) {
     bool knownProperty = deleteItem(name);
     return knownProperty ? DeleteSuccess : DeleteUnknownProperty;
   }
   void namedPropertyEnumerator(Vector<String>& names, ExceptionState&) {
     getNames(names);
   }
   bool namedPropertyQuery(const AtomicString&, ExceptionState&);
 
-  virtual Element* element() = 0;
-
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 
  protected:
   DOMStringMap() {}
 };
 
 }  // namespace blink
 
 #endif  // DOMStringMap_h