Reduce number of header includes in SVG

Source/core/svg/SVGPathBlender.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010, 2011. 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.
  */
 
 #include "config.h"
 
 #include "core/svg/SVGPathBlender.h"
 
 #include "core/platform/animation/AnimationUtilities.h"
 #include "core/svg/SVGPathSeg.h"
+#include "core/svg/SVGPathSource.h"
 #include <wtf/TemporaryChange.h>
 
 namespace WebCore {
 
 SVGPathBlender::SVGPathBlender()
     : m_fromSource(0)
     , m_toSource(0)
     , m_consumer(0)
     , m_progress(0)
     , m_addTypesCount(0)
@@ skipping 364 matching lines @@
 
     m_consumer->cleanup();
     m_toSource = 0;
     m_fromSource = 0;
     m_consumer = 0;
     m_fromCurrentPoint = FloatPoint();
     m_toCurrentPoint = FloatPoint();
 }
 
 }