Oilpan: move SVG property hierarchy to the heap.

Source/platform/graphics/filters/FilterOperations.cpp

 /*
  * 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 30 matching lines @@
     outset.setWidth(3 * kernelSize.width() * 0.5f);
     outset.setHeight(3 * kernelSize.height() * 0.5f);
 
     return outset;
 }
 
 FilterOperations::FilterOperations()
 {
 }
 
+void FilterOperations::trace(Visitor* visitor)
+{
+    visitor->trace(m_operations);
+}
+
 FilterOperations& FilterOperations::operator=(const FilterOperations& other)
 {
     m_operations = other.m_operations;
     return *this;
 }
 
 bool FilterOperations::operator==(const FilterOperations& o) const
 {
     if (m_operations.size() != o.m_operations.size())
         return false;
@@ skipping 105 matching lines @@
 bool FilterOperations::hasFilterThatMovesPixels() const
 {
     for (size_t i = 0; i < m_operations.size(); ++i)
         if (m_operations[i]->movesPixels())
             return true;
     return false;
 }
 
 } // namespace blink