Update Source/platform/ to assume Oilpan only.

third_party/WebKit/Source/platform/graphics/filters/Filter.h

 /*
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * 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,
@@ skipping 24 matching lines @@
 class FilterEffect;
 
 class PLATFORM_EXPORT Filter final : public GarbageCollectedFinalized<Filter> {
     WTF_MAKE_NONCOPYABLE(Filter);
 public:
     enum UnitScaling {
         UserSpace,
         BoundingBox
     };
 
-    static RawPtr<Filter> create(const FloatRect& referenceBox, const FloatRect& filterRegion, float scale, UnitScaling);
-    static RawPtr<Filter> create(float scale);
+    static Filter* create(const FloatRect& referenceBox, const FloatRect& filterRegion, float scale, UnitScaling);
+    static Filter* create(float scale);
 
     ~Filter();
     DECLARE_TRACE();
 
     float scale() const { return m_scale; }
     FloatRect mapLocalRectToAbsoluteRect(const FloatRect&) const;
     FloatRect mapAbsoluteRectToLocalRect(const FloatRect&) const;
 
     float applyHorizontalScale(float value) const;
     float applyVerticalScale(float value) const;
 
     FloatPoint3D resolve3dPoint(const FloatPoint3D&) const;
 
     FloatRect absoluteFilterRegion() const { return mapLocalRectToAbsoluteRect(m_filterRegion); }
 
     const FloatRect& filterRegion() const { return m_filterRegion; }
     const FloatRect& referenceBox() const { return m_referenceBox; }
 
-    void setLastEffect(RawPtr<FilterEffect>);
+    void setLastEffect(FilterEffect*);
     FilterEffect* lastEffect() const { return m_lastEffect.get(); }
 
     SourceGraphic* getSourceGraphic() const { return m_sourceGraphic.get(); }
 
 private:
     Filter(const FloatRect& referenceBox, const FloatRect& filterRegion, float scale, UnitScaling);
 
     FloatRect m_referenceBox;
     FloatRect m_filterRegion;
     float m_scale;
     UnitScaling m_unitScaling;
 
     Member<SourceGraphic> m_sourceGraphic;
     Member<FilterEffect> m_lastEffect;
 };
 
 } // namespace blink
 
 #endif // Filter_h