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

Source/core/svg/SVGFEColorMatrixElement.h

Index: Source/core/svg/SVGFEColorMatrixElement.h
diff --git a/Source/core/svg/SVGFEColorMatrixElement.h b/Source/core/svg/SVGFEColorMatrixElement.h
index 4ae7269e68081b9a4f85083d0cb981c622db0fd0..9796c07db5717e218970a178af3cd30770dafc5a 100644
--- a/Source/core/svg/SVGFEColorMatrixElement.h
+++ b/Source/core/svg/SVGFEColorMatrixElement.h
@@ -70,6 +70,7 @@ public:
     static PassRefPtr<SVGFEColorMatrixElement> create(Document&);
 
     SVGAnimatedNumberList* values() { return m_values.get(); }
+    SVGAnimatedString* in1() { return m_in1.get(); }
 
 private:
     explicit SVGFEColorMatrixElement(Document&);
@@ -81,8 +82,8 @@ private:
     virtual PassRefPtr<FilterEffect> build(SVGFilterBuilder*, Filter*) OVERRIDE;
 
     RefPtr<SVGAnimatedNumberList> m_values;
+    RefPtr<SVGAnimatedString> m_in1;
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGFEColorMatrixElement)
-        DECLARE_ANIMATED_STRING(In1, in1)
         DECLARE_ANIMATED_ENUMERATION(Type, type, ColorMatrixType)
     END_DECLARE_ANIMATED_PROPERTIES
 };