Avoid duplicating the CSS property mapping for SVG pres. attrs.

third_party/WebKit/Source/core/svg/SVGAnimatedPath.h

Index: third_party/WebKit/Source/core/svg/SVGAnimatedPath.h
diff --git a/third_party/WebKit/Source/core/svg/SVGAnimatedPath.h b/third_party/WebKit/Source/core/svg/SVGAnimatedPath.h
index 4502c6b0b06e831131d49feb318df549a791f070..e59045321b24e88a28c20c11af305c263029d53f 100644
--- a/third_party/WebKit/Source/core/svg/SVGAnimatedPath.h
+++ b/third_party/WebKit/Source/core/svg/SVGAnimatedPath.h
@@ -47,6 +47,8 @@ class SVGAnimatedPath : public SVGAnimatedProperty<SVGPath> {
     return new SVGAnimatedPath(contextElement, attributeName, cssPropertyId);
   }
 
+  const CSSValue* cssValue() const;
+
  protected:
   SVGAnimatedPath(SVGElement*,
                   const QualifiedName&,