Implement computedRole and computedName (behind a flag)

Source/core/dom/Element.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003-2011, 2013, 2014 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 181 matching lines @@
     virtual void scrollTo(double x, double y);
     virtual void scrollTo(const ScrollToOptions&);
     void scroll(double x, double y) { scrollTo(x, y); }
     void scroll(const ScrollToOptions& scrollToOptions) { scrollTo(scrollToOptions); }
 
     IntRect boundsInRootViewSpace();
 
     PassRefPtrWillBeRawPtr<ClientRectList> getClientRects();
     PassRefPtrWillBeRawPtr<ClientRect> getBoundingClientRect();
 
+    const AtomicString& computedRole();
+    String computedName();
+
     // Returns the absolute bounding box translated into screen coordinates:
     IntRect screenRect() const;
 
     virtual void didMoveToNewDocument(Document&) override;
 
     void removeAttribute(const AtomicString& name);
     void removeAttributeNS(const AtomicString& namespaceURI, const AtomicString& localName);
 
     PassRefPtrWillBeRawPtr<Attr> detachAttribute(size_t index);
 
@@ skipping 665 matching lines @@
     static PassRefPtrWillBeRawPtr<T> create(const QualifiedName&, Document&)
 #define DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(T) \
     PassRefPtrWillBeRawPtr<T> T::create(const QualifiedName& tagName, Document& document) \
     { \
         return adoptRefWillBeNoop(new T(tagName, document)); \
     }
 
 } // namespace
 
 #endif // Element_h