Replace FilterData::filter with lastEffect

third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.h

 /*
  * Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  *
  * 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 SVGFilterBuilder_h
 #define SVGFilterBuilder_h
 
 #include "core/style/SVGComputedStyleDefs.h"
 #include "platform/graphics/filters/FilterEffect.h"
 #include "platform/heap/Handle.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
-#include "wtf/PassRefPtr.h"
+#include "wtf/text/AtomicString.h"
 #include "wtf/text/AtomicStringHash.h"
-#include "wtf/text/WTFString.h"
 
 class SkPaint;
 
 namespace blink {
 
 class FloatRect;
 class LayoutObject;
 class SVGFilterElement;
 
 // A map from LayoutObject -> FilterEffect and FilterEffect -> dependent (downstream) FilterEffects ("reverse DAG").
@@ skipping 58 matching lines @@
     NamedFilterEffectMap m_builtinEffects;
     NamedFilterEffectMap m_namedEffects;
 
     Member<FilterEffect> m_lastEffect;
     Member<SVGFilterGraphNodeMap> m_nodeMap;
 };
 
 } // namespace blink
 
 #endif // SVGFilterBuilder_h