Minimize RenderObject* casting to RenderText*

Source/core/rendering/svg/SVGTextQuery.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010-2012. 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 92 matching lines @@
 }
 
 bool SVGTextQuery::executeQuery(Data* queryData, ProcessTextFragmentCallback fragmentCallback) const
 {
     unsigned processedCharacters = 0;
     unsigned textBoxCount = m_textBoxes.size();
 
     // Loop over all text boxes
     for (unsigned textBoxPosition = 0; textBoxPosition < textBoxCount; ++textBoxPosition) {
         queryData->textBox = m_textBoxes.at(textBoxPosition);
-        queryData->textRenderer = &toRenderSVGInlineText(queryData->textBox->textRenderer());
+        queryData->textRenderer = &toRenderSVGInlineText(queryData->textBox->renderer());
         ASSERT(queryData->textRenderer->style());
 
         queryData->isVerticalText = queryData->textRenderer->style()->svgStyle().isVerticalWritingMode();
         const Vector<SVGTextFragment>& fragments = queryData->textBox->textFragments();
 
         // Loop over all text fragments in this text box, firing a callback for each.
         unsigned fragmentCount = fragments.size();
         for (unsigned i = 0; i < fragmentCount; ++i) {
             const SVGTextFragment& fragment = fragments.at(i);
             if ((this->*fragmentCallback)(queryData, fragment))
@@ skipping 384 matching lines @@
 int SVGTextQuery::characterNumberAtPosition(const FloatPoint& position) const
 {
     CharacterNumberAtPositionData data(position);
     if (!executeQuery(&data, &SVGTextQuery::characterNumberAtPositionCallback))
         return -1;
 
     return data.processedCharacters;
 }
 
 }