CSS Length calculation with MediaValues

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 7d92eb8151e3a970a29b6ea327be9337a50f0826..8f56c8f170b26a05fad959773d628ed4e72334e1 100644
--- a/Source/core/css/CSSPrimitiveValue.h
+++ b/Source/core/css/CSSPrimitiveValue.h
@@ -35,6 +35,7 @@ namespace WebCore {
 class CSSBasicShape;
 class CSSCalcValue;
 class CSSToLengthConversionData;
+class CSSLengthData;
 class Counter;
 class ExceptionState;
 class Length;
@@ -283,7 +284,7 @@ public:
      * this is screen/printer dependent, so we probably need a config option for this,
      * and some tool to calibrate.
      */
-    template<typename T> T computeLength(const CSSToLengthConversionData&);
+    template<typename T> T computeLength(const CSSLengthData&);
 
     // Converts to a Length, mapping various unit types appropriately.
     template<int> Length convertToLength(const CSSToLengthConversionData&);
@@ -390,7 +391,7 @@ private:
     void init(PassRefPtrWillBeRawPtr<CSSCalcValue>);
     bool getDoubleValueInternal(UnitTypes targetUnitType, double* result) const;
 
-    double computeLengthDouble(const CSSToLengthConversionData&);
+    double computeLengthDouble(const CSSLengthData*);
 
     union {
         CSSPropertyID propertyID;