Removed the non-const version of PropertyReference::value()

third_party/WebKit/Source/core/css/StylePropertySet.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008, 2012 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 46 matching lines @@
         }
 
         CSSPropertyID id() const { return static_cast<CSSPropertyID>(propertyMetadata().m_propertyID); }
         CSSPropertyID shorthandID() const { return propertyMetadata().shorthandID(); }
 
         bool isImportant() const { return propertyMetadata().m_important; }
         bool isInherited() const { return propertyMetadata().m_inherited; }
         bool isImplicit() const { return propertyMetadata().m_implicit; }
 
         const CSSValue* value() const { return propertyValue(); }
-        // FIXME: We should try to remove this mutable overload.
-        CSSValue* value() { return const_cast<CSSValue*>(propertyValue()); }
 
         // FIXME: Remove this.
         CSSProperty toCSSProperty() const { return CSSProperty(propertyMetadata(), *propertyValue()); }
 
         const StylePropertyMetadata& propertyMetadata() const;
 
     private:
         const CSSValue* propertyValue() const;
 
         Member<const StylePropertySet> m_propertySet;
@@ skipping 207 matching lines @@
 inline int StylePropertySet::findPropertyIndex(T property) const
 {
     if (m_isMutable)
         return toMutableStylePropertySet(this)->findPropertyIndex(property);
     return toImmutableStylePropertySet(this)->findPropertyIndex(property);
 }
 
 } // namespace blink
 
 #endif // StylePropertySet_h