Oilpan: move RenderObjects off heap.

Source/core/svg/PatternAttributes.h

 /*
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.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
@@ skipping 155 matching lines @@
     bool m_widthSet : 1;
     bool m_heightSet : 1;
     bool m_viewBoxSet : 1;
     bool m_preserveAspectRatioSet : 1;
     bool m_patternUnitsSet : 1;
     bool m_patternContentUnitsSet : 1;
     bool m_patternTransformSet : 1;
     bool m_patternContentElementSet : 1;
 };
 
+#if ENABLE(OILPAN)
+// Wrapper object for the PatternAttributes part object.
+class PatternAttributesWrapper : public GarbageCollectedFinalized<PatternAttributesWrapper> {
+public:
+    static PatternAttributesWrapper* create()
+    {
+        return new PatternAttributesWrapper;
+    }
+
+    PatternAttributes& attributes() { return m_attributes; }
+    void set(const PatternAttributes& attributes) { m_attributes = attributes; }
+    void trace(Visitor* visitor) { visitor->trace(m_attributes); }
+
+private:
+    PatternAttributesWrapper()
+    {
+    }
+
+    PatternAttributes m_attributes;
+};
+#endif
+
 } // namespace blink
 
 #endif // PatternAttributes_h