Use DEFINE_CSS_VALUE_TYPE_CASTS() for SVGColor, SVGPaint, and TextCloneCSSValue

Source/core/css/CSSValue.cpp

 /*
  * Copyright (C) 2011 Andreas Kling (kling@webkit.org)
  *
  * 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 67 matching lines @@
     TextCloneCSSValue(ClassType classType, const String& text)
         : CSSValue(classType, /*isCSSOMSafe*/ true)
         , m_cssText(text)
     {
         m_isTextClone = true;
     }
 
     String m_cssText;
 };
 
+DEFINE_CSS_VALUE_TYPE_CASTS(TextCloneCSSValue, isTextCloneCSSValue());
+
 bool CSSValue::isImplicitInitialValue() const
 {
     return m_classType == InitialClass && toCSSInitialValue(this)->isImplicit();
 }
 
 CSSValue::Type CSSValue::cssValueType() const
 {
     if (isInheritedValue())
         return CSS_INHERIT;
     if (isPrimitiveValue())
@@ skipping 42 matching lines @@
 template<class ChildClassType>
 inline static bool compareCSSValues(const CSSValue& first, const CSSValue& second)
 {
     return static_cast<const ChildClassType&>(first).equals(static_cast<const ChildClassType&>(second));
 }
 
 bool CSSValue::equals(const CSSValue& other) const
 {
     if (m_isTextClone) {
         ASSERT(isCSSOMSafe());
-        return static_cast<const TextCloneCSSValue*>(this)->cssText() == other.cssText();
+        return toTextCloneCSSValue(this)->cssText() == other.cssText();
     }
 
     if (m_classType == other.m_classType) {
         switch (m_classType) {
         case AspectRatioClass:
             return compareCSSValues<CSSAspectRatioValue>(*this, other);
         case BorderImageSliceClass:
             return compareCSSValues<CSSBorderImageSliceValue>(*this, other);
         case CanvasClass:
             return compareCSSValues<CSSCanvasValue>(*this, other);
@@ skipping 67 matching lines @@
         return toCSSValueList(this)->equals(other);
     else if (m_classType != ValueListClass && other.m_classType == ValueListClass)
         return static_cast<const CSSValueList&>(other).equals(*this);
     return false;
 }
 
 String CSSValue::cssText() const
 {
     if (m_isTextClone) {
          ASSERT(isCSSOMSafe());
-        return static_cast<const TextCloneCSSValue*>(this)->cssText();
+        return toTextCloneCSSValue(this)->cssText();
     }
     ASSERT(!isCSSOMSafe() || isSubtypeExposedToCSSOM());
 
     switch (classType()) {
     case AspectRatioClass:
         return toCSSAspectRatioValue(this)->customCSSText();
     case BorderImageSliceClass:
         return toCSSBorderImageSliceValue(this)->customCSSText();
     case CanvasClass:
         return toCSSCanvasValue(this)->customCSSText();
@@ skipping 77 matching lines @@
         return toCSSTransformValue(this)->customSerializeResolvingVariables(variables);
     default:
         return cssText();
     }
 }
 
 void CSSValue::destroy()
 {
     if (m_isTextClone) {
         ASSERT(isCSSOMSafe());
-        delete static_cast<TextCloneCSSValue*>(this);
+        delete toTextCloneCSSValue(this);
         return;
     }
     ASSERT(!isCSSOMSafe() || isSubtypeExposedToCSSOM());
 
     switch (classType()) {
     case AspectRatioClass:
         delete toCSSAspectRatioValue(this);
         return;
     case BorderImageSliceClass:
         delete toCSSBorderImageSliceValue(this);
@@ skipping 122 matching lines @@
         return toSVGColor(this)->cloneForCSSOM();
     case SVGPaintClass:
         return toSVGPaint(this)->cloneForCSSOM();
     default:
         ASSERT(!isSubtypeExposedToCSSOM());
         return TextCloneCSSValue::create(classType(), cssText());
     }
 }
 
 }