Simplify SVGAnimated* initialization

third_party/WebKit/Source/core/svg/SVGAnimatedHref.cpp

Index: third_party/WebKit/Source/core/svg/SVGAnimatedHref.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGAnimatedHref.cpp b/third_party/WebKit/Source/core/svg/SVGAnimatedHref.cpp
index a0d6e3d14f34f318627533ce04332aabac78692d..1152e018340f3061f5e8330e867eca06195ac46f 100644
--- a/third_party/WebKit/Source/core/svg/SVGAnimatedHref.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGAnimatedHref.cpp
@@ -21,12 +21,9 @@ DEFINE_TRACE(SVGAnimatedHref) {
 }
 
 SVGAnimatedHref::SVGAnimatedHref(SVGElement* contextElement)
-    : SVGAnimatedString(contextElement,
-                        SVGNames::hrefAttr,
-                        SVGString::create()),
-      m_xlinkHref(SVGAnimatedString::create(contextElement,
-                                            XLinkNames::hrefAttr,
-                                            SVGString::create())) {}
+    : SVGAnimatedString(contextElement, SVGNames::hrefAttr),
+      m_xlinkHref(
+          SVGAnimatedString::create(contextElement, XLinkNames::hrefAttr)) {}
 
 void SVGAnimatedHref::addToPropertyMap(SVGElement* element) {
   element->addToPropertyMap(this);