Remove the SVG paint culling optimization

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 169 matching lines @@
 
         const AffineTransform& transform = current->localToParentTransform();
         updateObjectBoundingBox(objectBoundingBox, objectBoundingBoxValid, current,
             transform.mapRect(current->objectBoundingBox()));
         strokeBoundingBox.unite(transform.mapRect(current->paintInvalidationRectInLocalCoordinates()));
     }
 
     paintInvalidationBoundingBox = strokeBoundingBox;
 }
 
-bool SVGRenderSupport::paintInfoIntersectsPaintInvalidationRect(const FloatRect& localPaintInvalidationRect, const AffineTransform& localTransform, const PaintInfo& paintInfo)
-{
-    return localTransform.mapRect(localPaintInvalidationRect).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 262 matching lines @@
         return false;
     return willIsolateBlendingDescendantsForStyle(object->style());
 }
 
 bool SVGRenderSupport::isIsolationRequired(const RenderObject* object)
 {
     return willIsolateBlendingDescendantsForObject(object) && object->hasNonIsolatedBlendingDescendants();
 }
 
 }