Reduce number of header includes in SVG

Source/core/svg/SVGAnimateMotionElement.h

 /*
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 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.
  *
  * 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 SVGAnimateMotionElement_h
 #define SVGAnimateMotionElement_h
 
 #include "core/platform/graphics/Path.h"
-#include "core/platform/graphics/transforms/AffineTransform.h"
 #include "core/svg/SVGAnimationElement.h"
 
 namespace WebCore {
+
+class AffineTransform;
             
 class SVGAnimateMotionElement FINAL : public SVGAnimationElement {
 public:
     static PassRefPtr<SVGAnimateMotionElement> create(const QualifiedName&, Document*);
     void updateAnimationPath();
 
 private:
     SVGAnimateMotionElement(const QualifiedName&, Document*);
 
     virtual bool hasValidAttributeType();
@@ skipping 28 matching lines @@
     FloatPoint m_toPoint;
     FloatPoint m_toPointAtEndOfDuration;
 
     Path m_path;
     Path m_animationPath;
 };
     
 } // namespace WebCore
 
 #endif // SVGAnimateMotionElement_h