Replace open-coded toSVG<type> with DEFINE_SVG_PROPERTY_TYPE_CASTS

third_party/WebKit/Source/core/animation/LengthSVGInterpolation.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/animation/LengthSVGInterpolation.h"
 
 #include "core/css/CSSHelper.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGAnimatedLengthList.h"
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGLengthContext.h"
 #include "wtf/StdLibExtras.h"
 
 namespace blink {
 
 PassRefPtrWillBeRawPtr<SVGLengthList> LengthSVGInterpolation::createList(const SVGAnimatedPropertyBase& attribute)
 {
     ASSERT(attribute.type() == AnimatedLengthList);
     const SVGAnimatedLengthList& animatedLengthList = static_cast<const SVGAnimatedLengthList&>(attribute);
     return SVGLengthList::create(animatedLengthList.currentValue()->unitMode());
 }
 
 PassRefPtr<LengthSVGInterpolation> LengthSVGInterpolation::create(SVGPropertyBase* start, SVGPropertyBase* end, PassRefPtrWillBeRawPtr<SVGAnimatedPropertyBase> attribute)
 {
     NonInterpolableType modeData;
-    OwnPtr<InterpolableValue> startValue = toInterpolableValue(toSVGLength(start).get(), attribute.get(), &modeData);
-    OwnPtr<InterpolableValue> endValue = toInterpolableValue(toSVGLength(end).get(), attribute.get(), nullptr);
+    OwnPtr<InterpolableValue> startValue = toInterpolableValue(toSVGLength(start), attribute.get(), &modeData);
+    OwnPtr<InterpolableValue> endValue = toInterpolableValue(toSVGLength(end), attribute.get(), nullptr);
     return adoptRef(new LengthSVGInterpolation(startValue.release(), endValue.release(), attribute, modeData));
 }
 
 namespace {
 
 void populateModeData(const SVGAnimatedPropertyBase* attribute, LengthSVGInterpolation::NonInterpolableType* ptrModeData)
 {
     switch (attribute->type()) {
     case AnimatedLength: {
         const SVGAnimatedLength& animatedLength = static_cast<const SVGAnimatedLength&>(*attribute);
@@ skipping 123 matching lines @@
     result->setValueInSpecifiedUnits(value);
     return result.release();
 }
 
 PassRefPtrWillBeRawPtr<SVGPropertyBase> LengthSVGInterpolation::interpolatedValue(SVGElement& targetElement) const
 {
     return fromInterpolableValue(*m_cachedValue, m_modeData, &targetElement);
 }
 
 }