Simplify SVGAnimated* initialization

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

 /*
  * Copyright (C) 2005 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 22 matching lines @@
                                            document),
       m_diffuseConstant(SVGAnimatedNumber::create(this,
                                                   SVGNames::diffuseConstantAttr,
                                                   SVGNumber::create(1))),
       m_surfaceScale(SVGAnimatedNumber::create(this,
                                                SVGNames::surfaceScaleAttr,
                                                SVGNumber::create(1))),
       m_kernelUnitLength(SVGAnimatedNumberOptionalNumber::create(
           this,
           SVGNames::kernelUnitLengthAttr)),
-      m_in1(SVGAnimatedString::create(this,
-                                      SVGNames::inAttr,
-                                      SVGString::create())) {
+      m_in1(SVGAnimatedString::create(this, SVGNames::inAttr)) {
   addToPropertyMap(m_diffuseConstant);
   addToPropertyMap(m_surfaceScale);
   addToPropertyMap(m_kernelUnitLength);
   addToPropertyMap(m_in1);
 }
 
 DEFINE_TRACE(SVGFEDiffuseLightingElement) {
   visitor->trace(m_diffuseConstant);
   visitor->trace(m_surfaceScale);
   visitor->trace(m_kernelUnitLength);
@@ skipping 105 matching lines @@
       lightNode ? lightNode->lightSource(filter) : nullptr;
 
   FilterEffect* effect = FEDiffuseLighting::create(
       filter, color, m_surfaceScale->currentValue()->value(),
       m_diffuseConstant->currentValue()->value(), lightSource.release());
   effect->inputEffects().append(input1);
   return effect;
 }
 
 }  // namespace blink