SVG: remove |SVGAnimateElement::m_animatedPropertyType|

Source/core/svg/SVGAnimateElement.h

Index: Source/core/svg/SVGAnimateElement.h
diff --git a/Source/core/svg/SVGAnimateElement.h b/Source/core/svg/SVGAnimateElement.h
index 9b1146d7c6061a49838328b82e9aa576447fb499..d8c58cdd173af9f85165572cb4adbc98529f636b 100644
--- a/Source/core/svg/SVGAnimateElement.h
+++ b/Source/core/svg/SVGAnimateElement.h
@@ -39,6 +39,8 @@ public:
 
     virtual void trace(Visitor*) OVERRIDE;
 
+    bool animatedPropertyTypeSupportsAddition();
+
 protected:
     SVGAnimateElement(const QualifiedName&, Document&);
 
@@ -51,17 +53,16 @@ protected:
     virtual void calculateAnimatedValue(float percentage, unsigned repeatCount, SVGSMILElement* resultElement) OVERRIDE FINAL;
     virtual void applyResultsToTarget() OVERRIDE FINAL;
     virtual float calculateDistance(const String& fromString, const String& toString) OVERRIDE FINAL;
-    virtual bool isAdditive() const OVERRIDE FINAL;
+    virtual bool isAdditive() OVERRIDE FINAL;
 
     virtual void setTargetElement(SVGElement*) OVERRIDE FINAL;
     virtual void setAttributeName(const QualifiedName&) OVERRIDE FINAL;
 
-    AnimatedPropertyType m_animatedPropertyType;
+    AnimatedPropertyType animatedPropertyType();
 
 private:
     void resetAnimatedPropertyType();
     SVGAnimatedTypeAnimator* ensureAnimator();
-    bool animatedPropertyTypeSupportsAddition() const;
 
     virtual bool hasValidAttributeType() OVERRIDE;