Simplify SVGAnimated* initialization

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

Index: third_party/WebKit/Source/core/svg/SVGAnimatedString.h
diff --git a/third_party/WebKit/Source/core/svg/SVGAnimatedString.h b/third_party/WebKit/Source/core/svg/SVGAnimatedString.h
index 77d9d0f4eb9981f4171bd96408d86a189ebf2714..8e7c1ef2645dbf9d5a06659faa6992d93590a3d3 100644
--- a/third_party/WebKit/Source/core/svg/SVGAnimatedString.h
+++ b/third_party/WebKit/Source/core/svg/SVGAnimatedString.h
@@ -43,9 +43,8 @@ class SVGAnimatedString : public SVGAnimatedProperty<SVGString>,
 
  public:
   static SVGAnimatedString* create(SVGElement* contextElement,
-                                   const QualifiedName& attributeName,
-                                   SVGString* initialValue) {
-    return new SVGAnimatedString(contextElement, attributeName, initialValue);
+                                   const QualifiedName& attributeName) {
+    return new SVGAnimatedString(contextElement, attributeName);
   }
 
   virtual String baseVal();
@@ -56,11 +55,10 @@ class SVGAnimatedString : public SVGAnimatedProperty<SVGString>,
 
  protected:
   SVGAnimatedString(SVGElement* contextElement,
-                    const QualifiedName& attributeName,
-                    SVGString* initialValue)
+                    const QualifiedName& attributeName)
       : SVGAnimatedProperty<SVGString>(contextElement,
                                        attributeName,
-                                       initialValue) {}
+                                       SVGString::create()) {}
 };
 
 }  // namespace blink