Refactor m_absoluteTransform out of SVGFilter and into base class.

Source/core/svg/graphics/filters/SVGFilter.cpp

 /*
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
+ * Copyright (C) 2013 Google 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.
  */
 
 #include "config.h"
 
 #if ENABLE(SVG)
 #include "core/svg/graphics/filters/SVGFilter.h"
 
 namespace WebCore {
 
 SVGFilter::SVGFilter(const AffineTransform& absoluteTransform, const FloatRect& absoluteSourceDrawingRegion, const FloatRect& targetBoundingBox, const FloatRect& filterRegion, bool effectBBoxMode)
-    : Filter()
-    , m_absoluteTransform(absoluteTransform)
+    : Filter(absoluteTransform)
     , m_absoluteSourceDrawingRegion(absoluteSourceDrawingRegion)
     , m_targetBoundingBox(targetBoundingBox)
     , m_filterRegion(filterRegion)
     , m_effectBBoxMode(effectBBoxMode)
 {
     m_absoluteFilterRegion = absoluteTransform.mapRect(filterRegion);
 }
 
 float SVGFilter::applyHorizontalScale(float value) const
 {
@@ skipping 10 matching lines @@
 }
 
 PassRefPtr<SVGFilter> SVGFilter::create(const AffineTransform& absoluteTransform, const FloatRect& absoluteSourceDrawingRegion, const FloatRect& targetBoundingBox, const FloatRect& filterRegion, bool effectBBoxMode)
 {
     return adoptRef(new SVGFilter(absoluteTransform, absoluteSourceDrawingRegion, targetBoundingBox, filterRegion, effectBBoxMode));
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG)