Remove more API from Node and ContainerNode.

sky/engine/web/WebNode.cpp

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 68 matching lines @@
 WebNode WebNode::parentNode() const
 {
     return WebNode(const_cast<ContainerNode*>(m_private->parentNode()));
 }
 
 WebString WebNode::nodeName() const
 {
     return m_private->nodeName();
 }
 
-WebString WebNode::nodeValue() const
-{
-    return m_private->nodeValue();
-}
-
 WebDocument WebNode::document() const
 {
     return WebDocument(&m_private->document());
 }
 
 WebNode WebNode::firstChild() const
 {
     return WebNode(m_private->firstChild());
 }
 
@@ skipping 118 matching lines @@
     m_private = node;
     return *this;
 }
 
 WebNode::operator PassRefPtr<Node>() const
 {
     return m_private.get();
 }
 
 } // namespace blink