[Experimental] CSSSerializer Proof-of-concept

third_party/WebKit/Source/core/css/CSSCalculationValue.h

Index: third_party/WebKit/Source/core/css/CSSCalculationValue.h
diff --git a/third_party/WebKit/Source/core/css/CSSCalculationValue.h b/third_party/WebKit/Source/core/css/CSSCalculationValue.h
index 65e969dfa73923aecb2d5cecc2d2071e5752e255..945c67841a58c52028bc105c596cf11ff0c747d5 100644
--- a/third_party/WebKit/Source/core/css/CSSCalculationValue.h
+++ b/third_party/WebKit/Source/core/css/CSSCalculationValue.h
@@ -72,6 +72,7 @@ public:
         CssCalcPrimitiveValue = 1,
         CssCalcBinaryOperation
     };
+    static PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> deserialize(CSSDeserializeStream*);
 
     virtual bool isZero() const = 0;
     virtual double doubleValue() const = 0;
@@ -86,6 +87,7 @@ public:
     virtual CSSPrimitiveValue::UnitType typeWithCalcResolved() const = 0;
     bool isInteger() const { return m_isInteger; }
 
+    virtual void serialize(CSSSerializeStream*) const;
     DEFINE_INLINE_VIRTUAL_TRACE() { }
 
 protected:
@@ -104,6 +106,7 @@ class CORE_EXPORT CSSCalcValue : public RefCountedWillBeGarbageCollected<CSSCalc
 public:
     static PassRefPtrWillBeRawPtr<CSSCalcValue> create(const CSSParserTokenRange&, ValueRange);
     static PassRefPtrWillBeRawPtr<CSSCalcValue> create(PassRefPtrWillBeRawPtr<CSSCalcExpressionNode>, ValueRange = ValueRangeAll);
+    static PassRefPtrWillBeRawPtr<CSSCalcValue> deserialize(CSSDeserializeStream*);
 
     static PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> createExpressionNode(PassRefPtrWillBeRawPtr<CSSPrimitiveValue>, bool isInteger = false);
     static PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> createExpressionNode(PassRefPtrWillBeRawPtr<CSSCalcExpressionNode>, PassRefPtrWillBeRawPtr<CSSCalcExpressionNode>, CalcOperator);
@@ -127,6 +130,8 @@ public:
     String customCSSText() const;
     bool equals(const CSSCalcValue&) const;
 
+    void serialize(CSSSerializeStream* stream) const;
+
     DEFINE_INLINE_TRACE()
     {
         visitor->trace(m_expression);