WIP: Reduce sizeof(CSSValue) by 8 byte

Source/core/css/CSSPrimitiveValue.h

Index: Source/core/css/CSSPrimitiveValue.h
diff --git a/Source/core/css/CSSPrimitiveValue.h b/Source/core/css/CSSPrimitiveValue.h
index 47d1afbb4626e1cc641dd24cc9183d615deaf045..339fe9a4fd1edfd3e23ff3c7570d740cff14615b 100644
--- a/Source/core/css/CSSPrimitiveValue.h
+++ b/Source/core/css/CSSPrimitiveValue.h
@@ -243,7 +243,7 @@ public:
     static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> createAllowingMarginQuirk(double value, UnitType type)
     {
         CSSPrimitiveValue* quirkValue = new CSSPrimitiveValue(value, type);
-        quirkValue->m_isQuirkValue = true;
+        quirkValue->setIsQuirkValue(true);
         return adoptRefWillBeNoop(quirkValue);
     }
 
@@ -287,8 +287,6 @@ public:
     static const char* unitTypeToString(UnitType);
     String customCSSText() const;
 
-    bool isQuirkValue() const { return m_isQuirkValue; }
-
     bool equals(const CSSPrimitiveValue&) const;
 
     DECLARE_TRACE_AFTER_DISPATCH();
@@ -337,7 +335,7 @@ private:
 
     double computeLengthDouble(const CSSToLengthConversionData&) const;
 
-    inline UnitType type() const { return static_cast<UnitType>(m_primitiveUnitType); }
+    inline UnitType type() const { return static_cast<UnitType>(primitiveUnitType()); }
 
     union {
         CSSPropertyID propertyID;