Remove superfluous CSSLinearTimingFunctionValue

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 67 matching lines @@
     bool isImageGeneratorValue() const { return m_classType >= CanvasClass && m_classType <= RadialGradientClass; }
     bool isGradientValue() const { return m_classType >= LinearGradientClass && m_classType <= RadialGradientClass; }
     bool isImageSetValue() const { return m_classType == ImageSetClass; }
     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 isReflectValue() const { return m_classType == ReflectClass; }
     bool isShadowValue() const { return m_classType == ShadowClass; }
     bool isCubicBezierTimingFunctionValue() const { return m_classType == CubicBezierTimingFunctionClass; }
-    bool isLinearTimingFunctionValue() const { return m_classType == LinearTimingFunctionClass; }
     bool isStepsTimingFunctionValue() const { return m_classType == StepsTimingFunctionClass; }
     bool isCSSTransformValue() const { return m_classType == CSSTransformClass; }
     bool isCSSLineBoxContainValue() const { return m_classType == LineBoxContainClass; }
     bool isCalculationValue() const {return m_classType == CalculationClass; }
     bool isCSSFilterValue() const { return m_classType == CSSFilterClass; }
     bool isCSSArrayFunctionValue() const { return m_classType == CSSArrayFunctionValueClass; }
     bool isCSSMixFunctionValue() const { return m_classType == CSSMixFunctionValueClass; }
     bool isCSSShaderValue() const { return m_classType == CSSShaderClass; }
     bool isVariableValue() const { return m_classType == VariableClass; }
     bool isGridTemplateValue() const { return m_classType == GridTemplateClass; }
@@ skipping 26 matching lines @@
         CursorImageClass,
 
         // Image generator classes.
         CanvasClass,
         CrossfadeClass,
         LinearGradientClass,
         RadialGradientClass,
 
         // Timing function classes.
         CubicBezierTimingFunctionClass,
-        LinearTimingFunctionClass,
         StepsTimingFunctionClass,
 
         // Other class types.
         AspectRatioClass,
         BorderImageSliceClass,
         FontFeatureClass,
         FontClass,
         FontFaceSrcClass,
         FunctionClass,
 
@@ skipping 88 matching lines @@
 
 template<typename CSSValueType>
 inline bool compareCSSValuePtr(const RefPtr<CSSValueType>& first, const RefPtr<CSSValueType>& second)
 {
     return first ? second && first->equals(*second) : !second;
 }
 
 } // namespace WebCore
 
 #endif // CSSValue_h