CSSValue Immediates: Replace CSSPrimitiveValue usage with const references

Source/core/css/CSSCalculationValue.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 169 matching lines @@
 {
     return clampToPermittedRange(m_expression->computeLengthPx(conversionData));
 }
 
 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(CSSCalcExpressionNode)
 
 class CSSCalcPrimitiveValue final : public CSSCalcExpressionNode {
     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(CSSCalcPrimitiveValue);
 public:
 
-    static PassRefPtrWillBeRawPtr<CSSCalcPrimitiveValue> create(CSSPrimitiveValue value, bool isInteger)
+    static PassRefPtrWillBeRawPtr<CSSCalcPrimitiveValue> create(const CSSPrimitiveValue& value, bool isInteger)
     {
         return adoptRefWillBeNoop(new CSSCalcPrimitiveValue(value, isInteger));
     }
 
     static PassRefPtrWillBeRawPtr<CSSCalcPrimitiveValue> create(double value, CSSPrimitiveValue::UnitType type, bool isInteger)
     {
         if (std::isnan(value) || std::isinf(value))
             return nullptr;
         return adoptRefWillBeNoop(new CSSCalcPrimitiveValue(CSSPrimitiveValue::create(value, type), isInteger));
     }
@@ skipping 73 matching lines @@
     }
 
 
     DEFINE_INLINE_VIRTUAL_TRACE()
     {
         visitor->trace(m_value);
         CSSCalcExpressionNode::trace(visitor);
     }
 
 private:
-    CSSCalcPrimitiveValue(CSSPrimitiveValue value, bool isInteger)
+    CSSCalcPrimitiveValue(const CSSPrimitiveValue& value, bool isInteger)
         : CSSCalcExpressionNode(unitCategory(value.primitiveType()), isInteger)
         , m_value(value)
     {
     }
 
     CSSValue m_value;
 };
 
 static const CalculationCategory addSubtractResult[CalcOther][CalcOther] = {
 //                        CalcNumber         CalcLength         CalcPercent        CalcPercentNumber  CalcPercentLength  CalcAngle  CalcTime   CalcFrequency
@@ skipping 466 matching lines @@
     return adoptRefWillBeNoop(new CSSCalcValue(expression, range));
 }
 
 DEFINE_TRACE_AFTER_DISPATCH(CSSCalcValue)
 {
     visitor->trace(m_expression);
     CSSValueObject::traceAfterDispatch(visitor);
 }
 
 } // namespace blink