Replace HTMLTextFormControlElement::fixPlaceholderRenderer with an override of RenderTextControl::a…

Source/core/rendering/RenderTextControl.h

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  *           (C) 2008 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
  * 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,
@@ skipping 56 matching lines @@
 private:
     virtual const char* renderName() const { return "RenderTextControl"; }
     virtual bool isTextControl() const { return true; }
     virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE;
     virtual void computePreferredLogicalWidths() OVERRIDE;
     virtual void removeLeftoverAnonymousBlock(RenderBlock*) { }
     virtual bool avoidsFloats() const { return true; }
     virtual bool canHaveGeneratedChildren() const OVERRIDE { return false; }
     virtual bool canBeReplacedWithInlineRunIn() const OVERRIDE;
 
+    virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) OVERRIDE FINAL;
+
     virtual void addFocusRingRects(Vector<IntRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer = 0) OVERRIDE;
 
     virtual bool canBeProgramaticallyScrolled() const { return true; }
 
     virtual bool requiresForcedStyleRecalcPropagation() const { return true; }
 };
 
 inline RenderTextControl* toRenderTextControl(RenderObject* object)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isTextControl());
@@ skipping 26 matching lines @@
     }
     virtual int firstLineBoxBaseline() const OVERRIDE { return RenderBlock::firstLineBoxBaseline(); }
     virtual int inlineBlockBaseline(LineDirectionMode direction) const OVERRIDE { return lastLineBoxBaseline(direction); }
 
 };
 
 
 } // namespace WebCore
 
 #endif // RenderTextControl_h