Oilpan: move SVG property hierarchy to the heap.

Source/platform/graphics/filters/FEDisplacementMap.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Eric Seidel <eric@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.
@@ skipping 20 matching lines @@
 enum ChannelSelectorType {
     CHANNEL_UNKNOWN = 0,
     CHANNEL_R = 1,
     CHANNEL_G = 2,
     CHANNEL_B = 3,
     CHANNEL_A = 4
 };
 
 class PLATFORM_EXPORT FEDisplacementMap : public FilterEffect {
 public:
-    static PassRefPtr<FEDisplacementMap> create(Filter*, ChannelSelectorType xChannelSelector, ChannelSelectorType yChannelSelector, float);
+    static PassRefPtrWillBeRawPtr<FEDisplacementMap> create(Filter*, ChannelSelectorType xChannelSelector, ChannelSelectorType yChannelSelector, float);
 
     ChannelSelectorType xChannelSelector() const;
     bool setXChannelSelector(const ChannelSelectorType);
 
     ChannelSelectorType yChannelSelector() const;
     bool setYChannelSelector(const ChannelSelectorType);
 
     float scale() const;
     bool setScale(float);
 
@@ skipping 11 matching lines @@
     virtual PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*) override;
 
     ChannelSelectorType m_xChannelSelector;
     ChannelSelectorType m_yChannelSelector;
     float m_scale;
 };
 
 } // namespace blink
 
 #endif // FEDisplacementMap_h