Reduce forward declarations in core/rendering

Source/core/rendering/svg/RenderSVGResourceMarker.h

 /*
  * 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
  * 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
@@ skipping 10 matching lines @@
 #define RenderSVGResourceMarker_h
 
 #include "core/rendering/svg/RenderSVGResourceContainer.h"
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGMarkerElement.h"
 #include "platform/geometry/FloatRect.h"
 #include "wtf/HashSet.h"
 
 namespace WebCore {
 
-class AffineTransform;
 class RenderObject;
 
 class RenderSVGResourceMarker FINAL : public RenderSVGResourceContainer {
 public:
     explicit RenderSVGResourceMarker(SVGMarkerElement*);
     virtual ~RenderSVGResourceMarker();
 
     virtual const char* renderName() const OVERRIDE { return "RenderSVGResourceMarker"; }
 
     virtual void removeAllClientsFromCache(bool markForInvalidation = true) OVERRIDE;
@@ skipping 29 matching lines @@
 
     mutable AffineTransform m_localToParentTransform;
     FloatRect m_viewport;
 };
 
 DEFINE_RENDER_SVG_RESOURCE_TYPE_CASTS(RenderSVGResourceMarker, MarkerResourceType);
 
 }
 
 #endif