Convert SVG <text> and descendants to use RenderObject::isChildAllowed

Source/core/svg/SVGTextPathElement.cpp

 /*
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2010 Rob Buis <rwlbuis@gmail.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 111 matching lines @@
 
     if (RenderObject* object = renderer())
         RenderSVGResource::markForLayoutAndParentResourceInvalidation(object);
 }
 
 RenderObject* SVGTextPathElement::createRenderer(RenderStyle*)
 {
     return new RenderSVGTextPath(this);
 }
 
-bool SVGTextPathElement::childShouldCreateRenderer(const Node& child) const
-{
-    if (child.isTextNode()
-        || child.hasTagName(SVGNames::aTag)
-        || child.hasTagName(SVGNames::tspanTag))
-        return true;
-
-    return false;
-}
-
 bool SVGTextPathElement::rendererIsNeeded(const RenderStyle& style)
 {
     if (parentNode()
         && (parentNode()->hasTagName(SVGNames::aTag)
             || parentNode()->hasTagName(SVGNames::textTag)))
         return Element::rendererIsNeeded(style);
 
     return false;
 }
 
@@ skipping 35 matching lines @@
         clearResourceReferences();
 }
 
 bool SVGTextPathElement::selfHasRelativeLengths() const
 {
     return m_startOffset->currentValue()->isRelative()
         || SVGTextContentElement::selfHasRelativeLengths();
 }
 
 }