Remove Element.nodeNamePreservingCase

Source/core/dom/Element.cpp

 /*
  * 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)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1209 matching lines @@
     if (other->elementData())
         return other->elementData()->isEquivalent(elementData());
     return true;
 }
 
 String Element::nodeName() const
 {
     return m_tagName.toString();
 }
 
-String Element::nodeNamePreservingCase() const
-{
-    return m_tagName.toString();
-}
-
 void Element::setPrefix(const AtomicString& prefix, ExceptionState& exceptionState)
 {
     UseCounter::count(document(), UseCounter::ElementSetPrefix);
 
     if (!prefix.isEmpty() && !Document::isValidName(prefix)) {
         exceptionState.throwDOMException(InvalidCharacterError, "The prefix '" + prefix + "' is not a valid name.");
         return;
     }
 
     // FIXME: Raise NamespaceError if prefix is malformed per the Namespaces in XML specification.
@@ skipping 2381 matching lines @@
     // Before doing so, we need to resolve issues in HTMLSelectElement::recalcListItems
     // and RenderMenuList::setText. See also https://bugs.webkit.org/show_bug.cgi?id=88405
     if (hasTagName(optionTag) || hasTagName(optgroupTag))
         return false;
     if (FullscreenElementStack::isActiveFullScreenElement(this))
         return false;
     return true;
 }
 
 } // namespace WebCore