Remove virtual destructors for CSSMatrix and CSSVariablesMap

Source/core/css/CSSMatrix.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 28 matching lines @@
 public:
     static PassRefPtr<CSSMatrix> create(const TransformationMatrix& m)
     {
         return adoptRef(new CSSMatrix(m));
     }
     static PassRefPtr<CSSMatrix> create(const String& s, ExceptionState& es)
     {
         return adoptRef(new CSSMatrix(s, es));
     }
 
-    virtual ~CSSMatrix();
-
     double a() const { return m_matrix.a(); }
     double b() const { return m_matrix.b(); }
     double c() const { return m_matrix.c(); }
     double d() const { return m_matrix.d(); }
     double e() const { return m_matrix.e(); }
     double f() const { return m_matrix.f(); }
 
     void setA(double f) { m_matrix.setA(f); }
     void setB(double f) { m_matrix.setB(f); }
     void setC(double f) { m_matrix.setC(f); }
@@ skipping 91 matching lines @@
 protected:
     CSSMatrix(const TransformationMatrix&);
     CSSMatrix(const String&, ExceptionState&);
 
     TransformationMatrix m_matrix;
 };
 
 } // namespace WebCore
 
 #endif // CSSMatrix_h