Address regression bug report, revert the PaintInfo rect member function.

Source/core/rendering/svg/SVGRenderSupport.cpp

 /*
  * Copyright (C) 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2009-2010. 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
@@ skipping 138 matching lines @@
             strokeBoundingBox.unite(transform.mapRect(current->repaintRectInLocalCoordinates()));
         }
     }
 
     repaintBoundingBox = strokeBoundingBox;
 }
 
 bool SVGRenderSupport::paintInfoIntersectsRepaintRect(const FloatRect& localRepaintRect, const AffineTransform& localTransform, const PaintInfo& paintInfo)
 {
     if (localTransform.isIdentity())
-        return localRepaintRect.intersects(paintInfo.rect());
+        return localRepaintRect.intersects(paintInfo.rect);
 
-    return localTransform.mapRect(localRepaintRect).intersects(paintInfo.rect());
+    return localTransform.mapRect(localRepaintRect).intersects(paintInfo.rect);
 }
 
 const RenderSVGRoot* SVGRenderSupport::findTreeRootObject(const RenderObject* start)
 {
     while (start && !start->isSVGRoot())
         start = start->parent();
 
     ASSERT(start);
     ASSERT(start->isSVGRoot());
     return toRenderSVGRoot(start);
@@ skipping 219 matching lines @@
 
 bool SVGRenderSupport::isEmptySVGInlineText(const RenderObject* object)
 {
     // RenderSVGInlineText performs whitespace filtering in order to support xml:space
     // (http://www.w3.org/TR/SVG/struct.html#LangSpaceAttrs), and can end up with an empty string
     // even when its original constructor argument is non-empty.
     return object->isSVGInlineText() && toRenderSVGInlineText(object)->hasEmptyText();
 }
 
 }