Removed m_isQuirkValue and used CSSPrimitiveValue::QuirkyEms instead

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 156 matching lines @@
         SpaceSeparator,
         CommaSeparator,
         SlashSeparator
     };
 
     ClassType classType() const { return static_cast<ClassType>(m_classType); }
 
     explicit CSSValue(ClassType classType)
         : m_primitiveUnitType(0)
         , m_hasCachedCSSText(false)
-        , m_isQuirkValue(false)
         , m_valueListSeparator(SpaceSeparator)
         , m_classType(classType)
     {
     }
 
     // NOTE: This class is non-virtual for memory and performance reasons.
     // Don't go making it virtual again unless you know exactly what you're doing!
 
 private:
     void destroy();
 
 protected:
     // The bits in this section are only used by specific subclasses but kept here
     // to maximize struct packing.
 
     // CSSPrimitiveValue bits:
     unsigned m_primitiveUnitType : 7; // CSSPrimitiveValue::UnitType
     mutable unsigned m_hasCachedCSSText : 1;
-    unsigned m_isQuirkValue : 1;
 
     unsigned m_valueListSeparator : ValueListSeparatorBits;
 
 private:
     unsigned m_classType : ClassTypeBits; // ClassType
 };
 
 template<typename CSSValueType, size_t inlineCapacity>
 inline bool compareCSSValueVector(const WillBeHeapVector<RefPtrWillBeMember<CSSValueType>, inlineCapacity>& firstVector, const WillBeHeapVector<RefPtrWillBeMember<CSSValueType>, inlineCapacity>& secondVector)
 {
@@ skipping 40 matching lines @@
         return false;
     return first->equals(*second);
 }
 
 #define DEFINE_CSS_VALUE_TYPE_CASTS(thisType, predicate) \
     DEFINE_TYPE_CASTS(thisType, CSSValue, value, value->predicate, value.predicate)
 
 } // namespace blink
 
 #endif // CSSValue_h