Use DEFINE_CSS_VALUE_TYPE_CASTS() for SVGColor, SVGPaint, and TextCloneCSSValue

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 73 matching lines @@
     bool isImageValue() const { return m_classType == ImageClass; }
     bool isImplicitInitialValue() const;
     bool isInheritedValue() const { return m_classType == InheritedClass; }
     bool isInitialValue() const { return m_classType == InitialClass; }
     bool isLinearGradientValue() const { return m_classType == LinearGradientClass; }
     bool isRadialGradientValue() const { return m_classType == RadialGradientClass; }
     bool isReflectValue() const { return m_classType == ReflectClass; }
     bool isShadowValue() const { return m_classType == ShadowClass; }
     bool isCubicBezierTimingFunctionValue() const { return m_classType == CubicBezierTimingFunctionClass; }
     bool isStepsTimingFunctionValue() const { return m_classType == StepsTimingFunctionClass; }
+    bool isTextCloneCSSValue() const { return m_isTextClone; }
     bool isTransformValue() const { return m_classType == CSSTransformClass; }
     bool isLineBoxContainValue() const { return m_classType == LineBoxContainClass; }
     bool isCalcValue() const {return m_classType == CalculationClass; }
     bool isFilterValue() const { return m_classType == CSSFilterClass; }
     bool isArrayFunctionValue() const { return m_classType == CSSArrayFunctionValueClass; }
     bool isMixFunctionValue() const { return m_classType == CSSMixFunctionValueClass; }
     bool isShaderValue() const { return m_classType == CSSShaderClass; }
     bool isVariableValue() const { return m_classType == VariableClass; }
     bool isGridTemplateValue() const { return m_classType == GridTemplateClass; }
     bool isSVGColor() const { return m_classType == SVGColorClass || m_classType == SVGPaintClass; }
@@ skipping 148 matching lines @@
 { \
     ASSERT_WITH_SECURITY_IMPLICATION(!value || value->is##ValueTypeName()); \
     return static_cast<CSS##ValueTypeName*>(value); \
 } \
 void toCSS##ValueTypeName(const CSS##ValueTypeName*); \
 void toCSS##ValueTypeName(const CSS##ValueTypeName&)
 
 } // namespace WebCore
 
 #endif // CSSValue_h