Use isSVG*Element() helpers more in SVG code (Part 3)

Source/core/rendering/svg/SVGRootInlineBox.cpp

 /*
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2006 Apple Computer Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2011 Torch Mobile (Beijing) CO. Ltd. 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
@@ skipping 86 matching lines @@
         if (child->isSVGInlineTextBox()) {
             ASSERT(child->renderer().isSVGInlineText());
             characterLayout.layoutInlineTextBox(toSVGInlineTextBox(child));
         } else {
             // Skip generated content.
             Node* node = child->renderer().node();
             if (!node)
                 continue;
 
             SVGInlineFlowBox* flowBox = toSVGInlineFlowBox(child);
-            bool isTextPath = node->hasTagName(SVGNames::textPathTag);
+            bool isTextPath = isSVGTextPathElement(*node);
             if (isTextPath) {
                 // Build text chunks for all <textPath> children, using the line layout algorithm.
                 // This is needeed as text-anchor is just an additional startOffset for text paths.
                 SVGTextLayoutEngine lineLayout(characterLayout.layoutAttributes());
                 layoutCharactersInTextBoxes(flowBox, lineLayout);
 
                 characterLayout.beginTextPathLayout(&child->renderer(), lineLayout);
             }
 
             layoutCharactersInTextBoxes(flowBox, characterLayout);
@@ skipping 160 matching lines @@
     }
 }
 
 void SVGRootInlineBox::reorderValueLists(Vector<SVGTextLayoutAttributes*>& attributes)
 {
     Vector<InlineBox*> leafBoxesInLogicalOrder;
     collectLeafBoxesInLogicalOrder(leafBoxesInLogicalOrder, reverseInlineBoxRangeAndValueListsIfNeeded, &attributes);
 }
 
 } // namespace WebCore