Revert of Convert remaining RenderSVG* nodes to RenderObject::isChildAllowed

Source/core/rendering/svg/RenderSVGInline.cpp

 /*
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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.
  */
 
 #include "config.h"
 
 #include "core/rendering/svg/RenderSVGInline.h"
 
-#include "SVGNames.h"
 #include "core/rendering/svg/RenderSVGText.h"
 #include "core/rendering/svg/SVGInlineFlowBox.h"
 #include "core/rendering/svg/SVGRenderSupport.h"
 #include "core/rendering/svg/SVGResourcesCache.h"
 
 namespace WebCore {
 
 bool RenderSVGInline::isChildAllowed(RenderObject* child, RenderStyle* style) const
 {
     if (SVGRenderSupport::isEmptySVGInlineText(child))
         return false;
 
-    if (node()->hasTagName(SVGNames::aTag)) {
-        // Disallow direct descendant 'a'.
-        if (child->node()->hasTagName(SVGNames::aTag))
-            return false;
-    }
-
     if (!child->isSVGInline() && !child->isSVGInlineText())
         return false;
 
     return RenderInline::isChildAllowed(child, style);
 }
 
 RenderSVGInline::RenderSVGInline(Element* element)
     : RenderInline(element)
 {
     setAlwaysCreateLineBoxes();
@@ skipping 94 matching lines @@
         RenderInline::removeChild(child);
         return;
     }
     Vector<SVGTextLayoutAttributes*, 2> affectedAttributes;
     textRenderer->subtreeChildWillBeRemoved(child, affectedAttributes);
     RenderInline::removeChild(child);
     textRenderer->subtreeChildWasRemoved(affectedAttributes);
 }
 
 }