remove memoryinstrumentation

Source/core/css/CSSReflectValue.h

 /*
  * Copyright (C) 2008 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 36 matching lines @@
     CSSPrimitiveValue* offset() const { return m_offset.get(); }
     CSSValue* mask() const { return m_mask.get(); }
 
     String customCssText() const;
     String customSerializeResolvingVariables(const HashMap<AtomicString, String>&) const;
 
     void addSubresourceStyleURLs(ListHashSet<KURL>&, const StyleSheetContents*) const;
 
     bool equals(const CSSReflectValue&) const;
 
-    void reportDescendantMemoryUsage(MemoryObjectInfo*) const;
-
 private:
     CSSReflectValue(PassRefPtr<CSSPrimitiveValue> direction, PassRefPtr<CSSPrimitiveValue> offset, PassRefPtr<CSSValue> mask)
         : CSSValue(ReflectClass)
         , m_direction(direction)
         , m_offset(offset)
         , m_mask(mask)
     {
     }
 
     RefPtr<CSSPrimitiveValue> m_direction;
     RefPtr<CSSPrimitiveValue> m_offset;
     RefPtr<CSSValue> m_mask;
 };
 
 } // namespace WebCore
 
 #endif // CSSReflectValue_h