Remove PropertyReference::cssText

Source/core/css/PropertySetCSSStyleDeclaration.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Research In Motion Limited. 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.
  *
@@ skipping 134 matching lines @@
 
 unsigned AbstractPropertySetCSSStyleDeclaration::length() const
 {
     return propertySet().propertyCount();
 }
 
 String AbstractPropertySetCSSStyleDeclaration::item(unsigned i) const
 {
     if (i >= propertySet().propertyCount())
         return "";
-    return propertySet().propertyAt(i).cssName();
+    return getPropertyName(propertySet().propertyAt(i).id());
 }
 
 String AbstractPropertySetCSSStyleDeclaration::cssText() const
 {
     return propertySet().asText();
 }
 
 void AbstractPropertySetCSSStyleDeclaration::setCSSText(const String& text, ExceptionState&)
 {
     StyleAttributeMutationScope mutationScope(this);
@@ skipping 221 matching lines @@
 }
 #endif
 
 DEFINE_TRACE(InlineCSSStyleDeclaration)
 {
     visitor->trace(m_parentElement);
     AbstractPropertySetCSSStyleDeclaration::trace(visitor);
 }
 
 } // namespace blink