Reduce number of header includes in SVG

Source/core/rendering/svg/RenderSVGResourceFilter.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 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
  * License as published by the Free Software Foundation; either
@@ skipping 11 matching lines @@
  */
 
 #include "config.h"
 
 #include "core/rendering/svg/RenderSVGResourceFilter.h"
 
 #include "core/page/Page.h"
 #include "core/page/Settings.h"
 #include "core/platform/graphics/filters/SourceAlpha.h"
 #include "core/platform/graphics/filters/SourceGraphic.h"
+#include "core/rendering/svg/RenderSVGResourceFilterPrimitive.h"
 #include "core/rendering/svg/SVGRenderingContext.h"
 #include "core/svg/SVGFilterPrimitiveStandardAttributes.h"
 
 using namespace std;
 
 namespace WebCore {
 
 RenderSVGResourceType RenderSVGResourceFilter::s_resourceType = FilterResourceType;
 
 RenderSVGResourceFilter::RenderSVGResourceFilter(SVGFilterElement* node)
@@ skipping 301 matching lines @@
     markAllClientLayersForInvalidation();
 }
 
 FloatRect RenderSVGResourceFilter::drawingRegion(RenderObject* object) const
 {
     FilterData* filterData = m_filter.get(object);
     return filterData ? filterData->drawingRegion : FloatRect();
 }
 
 }