Oilpan: move RenderObjects off heap.

Source/core/svg/RadialGradientAttributes.h

Index: Source/core/svg/RadialGradientAttributes.h
diff --git a/Source/core/svg/RadialGradientAttributes.h b/Source/core/svg/RadialGradientAttributes.h
index 9ea976a2f1a29469f43fa4fdd1cfac57e0f91847..46d15a98ddd3eccd01f2da2646f29b555423a883 100644
--- a/Source/core/svg/RadialGradientAttributes.h
+++ b/Source/core/svg/RadialGradientAttributes.h
@@ -94,6 +94,28 @@ private:
     bool m_frSet : 1;
 };
 
+#if ENABLE(OILPAN)
+// Wrapper object for the RadialGradientAttributes part object.
+class RadialGradientAttributesWrapper : public GarbageCollectedFinalized<RadialGradientAttributesWrapper> {
+public:
+    static RadialGradientAttributesWrapper* create()
+    {
+        return new RadialGradientAttributesWrapper;
+    }
+
+    RadialGradientAttributes& attributes() { return m_attributes; }
+    void set(const RadialGradientAttributes& attributes) { m_attributes = attributes; }
+    void trace(Visitor* visitor) { visitor->trace(m_attributes); }
+
+private:
+    RadialGradientAttributesWrapper()
+    {
+    }
+
+    RadialGradientAttributes m_attributes;
+};
+#endif
+
 } // namespace blink
 
 #endif