Minimize RenderObject* casting to RenderText*

Source/core/rendering/svg/SVGRenderTreeAsText.cpp

 /*
  * Copyright (C) 2004, 2005, 2007, 2009 Apple Inc. All rights reserved.
  *           (C) 2005 Rob Buis <buis@kde.org>
  *           (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 384 matching lines @@
     if (text.parent() && (text.parent()->style()->visitedDependentColor(CSSPropertyColor) != text.style()->visitedDependentColor(CSSPropertyColor)))
         writeNameValuePair(ts, "color", text.resolveColor(CSSPropertyColor).nameForRenderTreeAsText());
 }
 
 static inline void writeSVGInlineTextBox(TextStream& ts, SVGInlineTextBox* textBox, int indent)
 {
     Vector<SVGTextFragment>& fragments = textBox->textFragments();
     if (fragments.isEmpty())
         return;
 
-    RenderSVGInlineText& textRenderer = toRenderSVGInlineText(textBox->textRenderer());
+    RenderSVGInlineText& textRenderer = toRenderSVGInlineText(textBox->renderer());
 
     const SVGRenderStyle& svgStyle = textRenderer.style()->svgStyle();
-    String text = textBox->textRenderer().text();
+    String text = textBox->renderer().text();
 
     unsigned fragmentsSize = fragments.size();
     for (unsigned i = 0; i < fragmentsSize; ++i) {
         SVGTextFragment& fragment = fragments.at(i);
         writeIndent(ts, indent + 1);
 
         unsigned startOffset = fragment.characterOffset;
         unsigned endOffset = fragment.characterOffset + fragment.length;
 
         // FIXME: Remove this hack, once the new text layout engine is completly landed. We want to preserve the old layout test results for now.
@@ skipping 254 matching lines @@
             ts << " ";
             writeNameAndQuotedValue(ts, "filter", svgStyle.filterResource());
             ts << " ";
             writeStandardPrefix(ts, *filter, 0);
             ts << " " << filter->resourceBoundingBox(&renderer) << "\n";
         }
     }
 }
 
 } // namespace blink