Reduce number of header includes in SVG

Source/core/svg/SVGFilterPrimitiveStandardAttributes.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  *
  * 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef SVGFilterPrimitiveStandardAttributes_h
 #define SVGFilterPrimitiveStandardAttributes_h
 
-#include "core/rendering/svg/RenderSVGResourceFilter.h"
-#include "core/rendering/svg/RenderSVGResourceFilterPrimitive.h"
+#include "core/rendering/svg/RenderSVGResource.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGAnimatedString.h"
 #include "core/svg/SVGStyledElement.h"
 
 #include <wtf/PassRefPtr.h>
 #include <wtf/RefPtr.h>
 
 namespace WebCore {
 
 class Filter;
 class FilterEffect;
+class RenderSVGResourceFilterPrimitive;
 class SVGFilterBuilder;
 
 class SVGFilterPrimitiveStandardAttributes : public SVGStyledElement {
 public:
     void setStandardAttributes(FilterEffect*) const;
 
     virtual PassRefPtr<FilterEffect> build(SVGFilterBuilder*, Filter* filter) = 0;
     // Returns true, if the new value is different from the old one.
     virtual bool setFilterEffectAttribute(FilterEffect*, const QualifiedName&);
 
 protected:
     SVGFilterPrimitiveStandardAttributes(const QualifiedName&, Document*);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&);
     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
 
     inline void invalidate()
     {
         if (RenderObject* primitiveRenderer = renderer())
             RenderSVGResource::markForLayoutAndParentResourceInvalidation(primitiveRenderer);
     }
 
-    inline void primitiveAttributeChanged(const QualifiedName& attribute)
-    {
-        if (RenderObject* primitiveRenderer = renderer())
-            static_cast<RenderSVGResourceFilterPrimitive*>(primitiveRenderer)->primitiveAttributeChanged(attribute);
-    }
+    void primitiveAttributeChanged(const QualifiedName&);
 
 private:
     virtual bool isFilterEffect() const { return true; }
 
     virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
     virtual bool rendererIsNeeded(const NodeRenderingContext&) OVERRIDE;
     virtual bool childShouldCreateRenderer(const NodeRenderingContext&) const OVERRIDE { return false; }
 
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGFilterPrimitiveStandardAttributes)
         DECLARE_ANIMATED_LENGTH(X, x)
         DECLARE_ANIMATED_LENGTH(Y, y)
         DECLARE_ANIMATED_LENGTH(Width, width)
         DECLARE_ANIMATED_LENGTH(Height, height)
         DECLARE_ANIMATED_STRING(Result, result)
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
 void invalidateFilterPrimitiveParent(SVGElement*);
 
 } // namespace WebCore
 
 #endif