Remove Element::textFromChildren().

sky/engine/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 890 matching lines @@
 {
     if (inDocument())
         return &treeScope().rootNode();
     if (ShadowRoot* root = containingShadowRoot())
         return root;
     return 0;
 }
 
 String Node::textContent() const
 {
+    if (isTextNode())
+        return toText(this)->data();
     StringBuilder content;
     for (const Node* node = this; node; node = NodeTraversal::next(*node, this)) {
         if (node->isTextNode())
             content.append(toText(node)->data());
     }
     return content.toString();
 }
 
 void Node::setTextContent(const String& text)
 {
@@ skipping 803 matching lines @@
         node->showTreeForThis();
 }
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
 }
 
 #endif