Make InlineBox::renderer() and related subclass methods return reference.

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 72 matching lines @@
 }
 
 void SVGTextQuery::collectTextBoxesInFlowBox(InlineFlowBox* flowBox)
 {
     if (!flowBox)
         return;
 
     for (InlineBox* child = flowBox->firstChild(); child; child = child->nextOnLine()) {
         if (child->isInlineFlowBox()) {
             // Skip generated content.
-            if (!child->renderer()->node())
+            if (!child->renderer().node())
                 continue;
 
             collectTextBoxesInFlowBox(toInlineFlowBox(child));
             continue;
         }
 
         if (child->isSVGInlineTextBox())
             m_textBoxes.append(toSVGInlineTextBox(child));
     }
 }
 
 bool SVGTextQuery::executeQuery(Data* queryData, ProcessTextFragmentCallback fragmentCallback) const
 {
     ASSERT(!m_textBoxes.isEmpty());
 
     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());
-        ASSERT(queryData->textRenderer);
+        queryData->textRenderer = &toRenderSVGInlineText(queryData->textBox->textRenderer());
         ASSERT(queryData->textRenderer->style());
         ASSERT(queryData->textRenderer->style()->svgStyle());
 
         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);
@@ skipping 413 matching lines @@
         return -1;
 
     CharacterNumberAtPositionData data(position);
     if (!executeQuery(&data, &SVGTextQuery::characterNumberAtPositionCallback))
         return -1;
 
     return data.processedCharacters;
 }
 
 }