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

Source/core/rendering/svg/RenderSVGText.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
  * Copyright (C) 2012 Google Inc.
  *
@@ skipping 401 matching lines @@
     // If our bounds changed, notify the parents.
     if (updateCachedBoundariesInParents)
         RenderSVGBlock::setNeedsBoundariesUpdate();
 
     repainter.repaintAfterLayout();
     clearNeedsLayout();
 }
 
 RootInlineBox* RenderSVGText::createRootInlineBox()
 {
-    RootInlineBox* box = new SVGRootInlineBox(this);
+    RootInlineBox* box = new SVGRootInlineBox(*this);
     box->setHasVirtualLogicalHeight();
     return box;
 }
 
 bool RenderSVGText::nodeAtFloatPoint(const HitTestRequest& request, HitTestResult& result, const FloatPoint& pointInParent, HitTestAction hitTestAction)
 {
     PointerEventsHitRules hitRules(PointerEventsHitRules::SVG_TEXT_HITTESTING, request, style()->pointerEvents());
     bool isVisible = (style()->visibility() == VISIBLE);
     if (isVisible || !hitRules.requireVisible) {
         if ((hitRules.canHitBoundingBox && !objectBoundingBox().isEmpty())
@@ skipping 20 matching lines @@
     if (!rootBox)
         return createPositionWithAffinity(0, DOWNSTREAM);
 
     ASSERT(!rootBox->nextRootBox());
     ASSERT(childrenInline());
 
     InlineBox* closestBox = toSVGRootInlineBox(rootBox)->closestLeafChildForPosition(pointInContents);
     if (!closestBox)
         return createPositionWithAffinity(0, DOWNSTREAM);
 
-    return closestBox->renderer()->positionForPoint(LayoutPoint(pointInContents.x(), closestBox->y()));
+    return closestBox->renderer().positionForPoint(LayoutPoint(pointInContents.x(), closestBox->y()));
 }
 
 void RenderSVGText::absoluteQuads(Vector<FloatQuad>& quads, bool* wasFixed) const
 {
     quads.append(localToAbsoluteQuad(strokeBoundingBox(), 0 /* mode */, wasFixed));
 }
 
 void RenderSVGText::paint(PaintInfo& paintInfo, const LayoutPoint&)
 {
     if (paintInfo.context->paintingDisabled())
@@ skipping 65 matching lines @@
     return 0;
 }
 
 // Fix for <rdar://problem/8048875>. We should not render :first-letter CSS Style
 // in a SVG text element context.
 void RenderSVGText::updateFirstLetter()
 {
 }
 
 }