Minimize RenderObject* casting to RenderText*

Source/core/rendering/svg/SVGTextChunkBuilder.cpp

 /*
  * 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
@@ skipping 67 matching lines @@
         processTextChunk(m_textChunks[i]);
 
     m_textChunks.clear();
 }
 
 void SVGTextChunkBuilder::addTextChunk(Vector<SVGInlineTextBox*>& lineLayoutBoxes, unsigned boxStart, unsigned boxCount)
 {
     SVGInlineTextBox* textBox = lineLayoutBoxes[boxStart];
     ASSERT(textBox);
 
-    RenderSVGInlineText& textRenderer = toRenderSVGInlineText(textBox->textRenderer());
+    RenderSVGInlineText& textRenderer = toRenderSVGInlineText(textBox->renderer());
 
-    const RenderStyle* style = toRenderSVGInlineText(textBox->textRenderer()).style();
+    const RenderStyle* style = toRenderSVGInlineText(textBox->renderer()).style();
     ASSERT(style);
 
     const SVGRenderStyle& svgStyle = style->svgStyle();
 
     // Build chunk style flags.
     unsigned chunkStyle = SVGTextChunk::DefaultStyle;
 
     // Handle 'direction' property.
     if (!style->isLeftToRightDirection())
         chunkStyle |= SVGTextChunk::RightToLeftText;
@@ skipping 147 matching lines @@
         SVGTextFragment& fragment = fragments[i];
 
         if (isVerticalText)
             fragment.y += textAnchorShift;
         else
             fragment.x += textAnchorShift;
     }
 }
 
 }