Simplify SVGAnimated* initialization

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

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 31 matching lines @@
                                     SVGNames::yAttr,
                                     SVGLength::create(SVGLengthMode::Height))),
       m_width(
           SVGAnimatedLength::create(this,
                                     SVGNames::widthAttr,
                                     SVGLength::create(SVGLengthMode::Width))),
       m_height(
           SVGAnimatedLength::create(this,
                                     SVGNames::heightAttr,
                                     SVGLength::create(SVGLengthMode::Height))),
-      m_result(SVGAnimatedString::create(this,
-                                         SVGNames::resultAttr,
-                                         SVGString::create())) {
+      m_result(SVGAnimatedString::create(this, SVGNames::resultAttr)) {
   // Spec: If the x/y attribute is not specified, the effect is as if a value of
   // "0%" were specified.
   m_x->setDefaultValueAsString("0%");
   m_y->setDefaultValueAsString("0%");
 
   // Spec: If the width/height attribute is not specified, the effect is as if a
   // value of "100%" were specified.
   m_width->setDefaultValueAsString("100%");
   m_height->setDefaultValueAsString("100%");
 
@@ skipping 134 matching lines @@
 
   LayoutObject* layoutObject = parent->layoutObject();
   if (!layoutObject || !layoutObject->isSVGResourceFilterPrimitive())
     return;
 
   LayoutSVGResourceContainer::markForLayoutAndParentResourceInvalidation(
       layoutObject, false);
 }
 
 }  // namespace blink