[SVG] SVGAnimatedString{,List} migration to new SVG property impl.

Source/core/svg/SVGFEDiffuseLightingElement.h

Index: Source/core/svg/SVGFEDiffuseLightingElement.h
diff --git a/Source/core/svg/SVGFEDiffuseLightingElement.h b/Source/core/svg/SVGFEDiffuseLightingElement.h
index b6de3300e8fbffb28757d707a8cc7825bb092a7f..88202065369278d514cb5eec7a85fbd9d8b723c5 100644
--- a/Source/core/svg/SVGFEDiffuseLightingElement.h
+++ b/Source/core/svg/SVGFEDiffuseLightingElement.h
@@ -41,6 +41,7 @@ public:
     SVGAnimatedNumber* surfaceScale() { return m_surfaceScale.get(); }
     SVGAnimatedNumber* kernelUnitLengthX() { return m_kernelUnitLength->firstNumber(); }
     SVGAnimatedNumber* kernelUnitLengthY() { return m_kernelUnitLength->secondNumber(); }
+    SVGAnimatedString* in1() { return m_in1.get(); }
 
 private:
     explicit SVGFEDiffuseLightingElement(Document&);
@@ -54,8 +55,8 @@ private:
     RefPtr<SVGAnimatedNumber> m_diffuseConstant;
     RefPtr<SVGAnimatedNumber> m_surfaceScale;
     RefPtr<SVGAnimatedNumberOptionalNumber> m_kernelUnitLength;
+    RefPtr<SVGAnimatedString> m_in1;
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGFEDiffuseLightingElement)
-        DECLARE_ANIMATED_STRING(In1, in1)
     END_DECLARE_ANIMATED_PROPERTIES
 };