SVGElement::parseAttribute resolves property via property map (Step 1)

Source/core/svg/properties/SVGAnimatedProperty.h

Index: Source/core/svg/properties/SVGAnimatedProperty.h
diff --git a/Source/core/svg/properties/SVGAnimatedProperty.h b/Source/core/svg/properties/SVGAnimatedProperty.h
index 1c54971a1518edb5e6f06dcb3d327844c9d064bc..c74637bf10ed93ea60fd27cfc48b648c533ab9de 100644
--- a/Source/core/svg/properties/SVGAnimatedProperty.h
+++ b/Source/core/svg/properties/SVGAnimatedProperty.h
@@ -55,6 +55,7 @@ public:
     virtual void setAnimatedValue(PassRefPtr<SVGPropertyBase>) = 0;
     virtual void animationEnded();
 
+    virtual void setBaseValueAsString(const String& value, SVGParsingError& parseError) = 0;
     virtual bool needsSynchronizeAttribute() = 0;
     virtual void synchronizeAttribute();
 
@@ -128,7 +129,7 @@ public:
         return m_currentValue;
     }
 
-    void setBaseValueAsString(const String& value, SVGParsingError& parseError)
+    void setBaseValueAsString(const String& value, SVGParsingError& parseError) OVERRIDE
     {
         TrackExceptionState es;