Oilpan: move SVG property hierarchy to the heap.

Source/core/rendering/style/SVGRenderStyleDefs.h

 /*
     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005 Rob Buis <buis@kde.org>
     Copyright (C) Research In Motion Limited 2010. All rights reserved.
 
     Based on khtml code by:
     Copyright (C) 2000-2003 Lars Knoll (knoll@kde.org)
               (C) 2000 Antti Koivisto (koivisto@kde.org)
               (C) 2000-2003 Dirk Mueller (mueller@kde.org)
               (C) 2002-2003 Apple Computer, Inc.
@@ skipping 122 matching lines @@
         Color visitedLinkPaintColor;
         String visitedLinkPaintUri;
 
     private:
         StyleFillData();
         StyleFillData(const StyleFillData&);
     };
 
     class StyleStrokeData : public RefCounted<StyleStrokeData> {
     public:
-        static PassRefPtr<StyleStrokeData> create() { return adoptRef(new StyleStrokeData); }
-        PassRefPtr<StyleStrokeData> copy() const { return adoptRef(new StyleStrokeData(*this)); }
+        static PassRefPtr<StyleStrokeData> create()
+        {
+            return adoptRef(new StyleStrokeData);
+        }
+
+        PassRefPtr<StyleStrokeData> copy() const
+        {
+            return adoptRef(new StyleStrokeData(*this));
+        }
 
         bool operator==(const StyleStrokeData&) const;
         bool operator!=(const StyleStrokeData& other) const
         {
             return !(*this == other);
         }
 
         float opacity;
         float miterLimit;
 
-        RefPtr<SVGLength> width;
-        RefPtr<SVGLength> dashOffset;
-        RefPtr<SVGLengthList> dashArray;
+        RefPtrWillBePersistent<SVGLength> width;
+        RefPtrWillBePersistent<SVGLength> dashOffset;
+        RefPtrWillBePersistent<SVGLengthList> dashArray;
 
         SVGPaintType paintType;
         Color paintColor;
         String paintUri;
         SVGPaintType visitedLinkPaintType;
         Color visitedLinkPaintColor;
         String visitedLinkPaintUri;
 
     private:
         StyleStrokeData();
@@ skipping 28 matching lines @@
         bool operator==(const StyleMiscData&) const;
         bool operator!=(const StyleMiscData& other) const
         {
             return !(*this == other);
         }
 
         Color floodColor;
         float floodOpacity;
         Color lightingColor;
 
-        RefPtr<SVGLength> baselineShiftValue;
+        RefPtrWillBePersistent<SVGLength> baselineShiftValue;
 
     private:
         StyleMiscData();
         StyleMiscData(const StyleMiscData&);
     };
 
     // Non-inherited resources
     class StyleResourceData : public RefCounted<StyleResourceData> {
     public:
         static PassRefPtr<StyleResourceData> create() { return adoptRef(new StyleResourceData); }
@@ skipping 31 matching lines @@
         AtomicString markerEnd;
 
     private:
         StyleInheritedResourceData();
         StyleInheritedResourceData(const StyleInheritedResourceData&);
     };
 
 } // namespace blink
 
 #endif // SVGRenderStyleDefs_h