Remove NonSelectableText subclass of Text

Source/core/dom/Text.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef Text_h
 #define Text_h
 
 #include "core/dom/CharacterData.h"
 
 namespace WebCore {
 
+class ContainerNode;
 class RenderText;
 class ScriptExecutionContext;
 
 class Text : public CharacterData {
 public:
     static const unsigned defaultLengthLimit = 1 << 16;
 
     static PassRefPtr<Text> create(Document*, const String&);
     static PassRefPtr<Text> createWithLengthLimit(Document*, const String&, unsigned positionInString, unsigned lengthLimit = defaultLengthLimit);
     static PassRefPtr<Text> createEditingText(Document*, const String&);
 
     PassRefPtr<Text> splitText(unsigned offset, ExceptionCode&);
 
     // DOM Level 3: http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-1312295772
 
     String wholeText() const;
     PassRefPtr<Text> replaceWholeText(const String&);
 
     bool recalcTextStyle(StyleChange);
     void createTextRendererIfNeeded();
     bool textRendererIsNeeded(const NodeRenderingContext&);
-    virtual RenderText* createTextRenderer(RenderStyle*);
+    RenderText* createTextRenderer(ContainerNode* renderingParent, RenderStyle*);
     void updateTextRenderer(unsigned offsetOfReplacedData, unsigned lengthOfReplacedData);
 
     virtual void attach(const AttachContext& = AttachContext()) OVERRIDE FINAL;
 
     virtual bool canContainRangeEndPoint() const OVERRIDE FINAL { return true; }
     virtual NodeType nodeType() const OVERRIDE;
 
 protected:
     Text(TreeScope* treeScope, const String& data, ConstructionType type)
         : CharacterData(treeScope, data, type)
@@ skipping 17 matching lines @@
 
 inline Text* toText(Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isTextNode());
     return static_cast<Text*>(node);
 }
 
 } // namespace WebCore
 
 #endif // Text_h