[SVG] Resources should be laid out in dependecy order.

Source/core/rendering/svg/RenderSVGRoot.h

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) 2009 Apple Inc. 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.
@@ skipping 45 matching lines @@
     IntSize containerSize() const { return m_containerSize; }
     void setContainerSize(const IntSize& containerSize) { m_containerSize = containerSize; }
 
     virtual bool hasRelativeDimensions() const OVERRIDE;
     virtual bool hasRelativeIntrinsicLogicalWidth() const OVERRIDE;
     virtual bool hasRelativeLogicalHeight() const OVERRIDE;
 
     // localToBorderBoxTransform maps local SVG viewport coordinates to local CSS box coordinates.
     const AffineTransform& localToBorderBoxTransform() const { return m_localToBorderBoxTransform; }
 
-    // The flag is cleared at the beginning of each layout() pass. Elements then call this
-    // method during layout when they are invalidated by a filter.
-    static void addResourceForClientInvalidation(RenderSVGResourceContainer*);
-
 private:
     virtual RenderObjectChildList* virtualChildren() { return children(); }
     virtual const RenderObjectChildList* virtualChildren() const { return children(); }
 
     virtual bool isSVGRoot() const { return true; }
     virtual const char* renderName() const { return "RenderSVGRoot"; }
 
     virtual LayoutUnit computeReplacedLogicalWidth(ShouldComputePreferred  = ComputeActual) const OVERRIDE;
     virtual LayoutUnit computeReplacedLogicalHeight() const;
     virtual void layout();
@@ skipping 32 matching lines @@
     void buildLocalToBorderBoxTransform();
 
     RenderObjectChildList m_children;
     IntSize m_containerSize;
     FloatRect m_objectBoundingBox;
     bool m_objectBoundingBoxValid;
     FloatRect m_strokeBoundingBox;
     FloatRect m_repaintBoundingBox;
     mutable AffineTransform m_localToParentTransform;
     AffineTransform m_localToBorderBoxTransform;
-    HashSet<RenderSVGResourceContainer*> m_resourcesNeedingToInvalidateClients;
     bool m_isLayoutSizeChanged : 1;
     bool m_needsBoundariesOrTransformUpdate : 1;
 };
 
 inline RenderSVGRoot* toRenderSVGRoot(RenderObject* object)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGRoot());
     return static_cast<RenderSVGRoot*>(object);
 }
 
 inline const RenderSVGRoot* toRenderSVGRoot(const RenderObject* object)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGRoot());
     return static_cast<const RenderSVGRoot*>(object);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toRenderSVGRoot(const RenderSVGRoot*);
 
 } // namespace WebCore
 
 #endif // RenderSVGRoot_h