Oilpan: move SVG property hierarchy to the heap.

Source/platform/graphics/filters/FilterOperations.h

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 19 matching lines @@
 #include "platform/geometry/IntRectExtent.h"
 #include "platform/graphics/filters/FilterOperation.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 typedef IntRectExtent FilterOutsets;
 
 class PLATFORM_EXPORT FilterOperations {
+#if ENABLE(OILPAN)
+    DISALLOW_ALLOCATION();
+#else
     WTF_MAKE_FAST_ALLOCATED;
+#endif
 public:
     FilterOperations();
     FilterOperations(const FilterOperations& other) { *this = other; }
 
     FilterOperations& operator=(const FilterOperations&);
 
     bool operator==(const FilterOperations&) const;
     bool operator!=(const FilterOperations& o) const
     {
         return !(*this == o);
     }
 
     void clear()
     {
         m_operations.clear();
     }
 
-    Vector<RefPtr<FilterOperation> >& operations() { return m_operations; }
-    const Vector<RefPtr<FilterOperation> >& operations() const { return m_operations; }
+    typedef WillBeHeapVector<RefPtrWillBeMember<FilterOperation> > FilterOperationVector;
+
+    FilterOperationVector& operations() { return m_operations; }
+    const FilterOperationVector& operations() const { return m_operations; }
 
     bool isEmpty() const { return !m_operations.size(); }
     size_t size() const { return m_operations.size(); }
     const FilterOperation* at(size_t index) const { return index < m_operations.size() ? m_operations.at(index).get() : 0; }
 
     bool canInterpolateWith(const FilterOperations&) const;
 
     bool hasOutsets() const;
     FilterOutsets outsets() const;
 
     bool hasFilterThatAffectsOpacity() const;
     bool hasFilterThatMovesPixels() const;
 
     bool hasReferenceFilter() const;
+
+    void trace(Visitor*);
+
 private:
-    Vector<RefPtr<FilterOperation> > m_operations;
+    FilterOperationVector m_operations;
 };
 
+#if ENABLE(OILPAN)
+// Wrapper object for the FilterOperations part object.
+class FilterOperationsWrapper : public GarbageCollected<FilterOperationsWrapper> {
+public:
+    static FilterOperationsWrapper* create()
+    {
+        return new FilterOperationsWrapper();
+    }
+
+    const FilterOperations& operations() const { return m_operations; }
+
+    void trace(Visitor* visitor) { visitor->trace(m_operations); }
+
+private:
+    FilterOperationsWrapper()
+    {
+    }
+
+    FilterOperations m_operations;
+};
+#endif
+
 } // namespace blink
 
 
 #endif // FilterOperations_h