[oilpan] Add checks to new operator

Source/core/css/CSSValue.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * 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,
@@ skipping 104 matching lines @@
 
     void reportMemoryUsage(MemoryObjectInfo*) const;
 
     bool equals(const CSSValue&) const;
 
 protected:
     // NOTE: This class is non-virtual for memory and performance reasons.
     // Don't go making it virtual again unless you know exactly what you're doing!
     ~CSSValue() { }
 
+    OVERRIDE_NEW_ALL_SUBCLASSES_HAVE_DYNAMIC_ACCEPT(CSSValue);
+
     static const size_t ClassTypeBits = 6;
     enum ClassType {
         PrimitiveClass,
 
         // Image classes.
         ImageClass,
         CursorImageClass,
 
         // Image generator classes.
         CanvasClass,
@@ skipping 107 matching lines @@
 
 template<typename CSSValueType>
 inline bool compareCSSValuePtr(const RefPtr<CSSValueType>& first, const RefPtr<CSSValueType>& second)
 {
     return first ? second && first->equals(*second) : !second;
 }
 
 } // namespace WebCore
 
 #endif // CSSValue_h