Make PropertyHandle::svgAttribute() return a reference

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

 // Copyright 2014 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/StringKeyframe.h"
 
 #include "core/animation/AngleSVGInterpolation.h"
 #include "core/animation/CSSColorInterpolationType.h"
 #include "core/animation/CSSLengthInterpolationType.h"
@@ skipping 82 matching lines @@
 {
     return adoptRef(new StringKeyframe(*this));
 }
 
 PassOwnPtr<Keyframe::PropertySpecificKeyframe> StringKeyframe::createPropertySpecificKeyframe(PropertyHandle property) const
 {
     if (property.isCSSProperty())
         return adoptPtr(new CSSPropertySpecificKeyframe(offset(), &easing(), cssPropertyValue(property.cssProperty()), composite()));
 
     ASSERT(property.isSVGAttribute());
-    return adoptPtr(new SVGPropertySpecificKeyframe(offset(), &easing(), svgPropertyValue(*property.svgAttribute()), composite()));
+    return adoptPtr(new SVGPropertySpecificKeyframe(offset(), &easing(), svgPropertyValue(property.svgAttribute()), composite()));
 }
 
 StringKeyframe::CSSPropertySpecificKeyframe::CSSPropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, CSSValue* value, EffectModel::CompositeOperation op)
     : Keyframe::PropertySpecificKeyframe(offset, easing, op)
     , m_value(value)
 { }
 
 StringKeyframe::CSSPropertySpecificKeyframe::CSSPropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, CSSValue* value)
     : Keyframe::PropertySpecificKeyframe(offset, easing, EffectModel::CompositeReplace)
     , m_value(value)
@@ skipping 420 matching lines @@
         return interpolation.release();
 
     return DefaultSVGInterpolation::create(fromValue, toValue, attribute);
 }
 
 } // namespace
 
 PassRefPtr<Interpolation> SVGPropertySpecificKeyframe::maybeCreateInterpolation(PropertyHandle propertyHandle, Keyframe::PropertySpecificKeyframe& end, Element* element, const ComputedStyle* baseStyle) const
 {
     ASSERT(element);
-    RefPtrWillBeRawPtr<SVGAnimatedPropertyBase> attribute = toSVGElement(element)->propertyFromAttribute(*propertyHandle.svgAttribute());
+    RefPtrWillBeRawPtr<SVGAnimatedPropertyBase> attribute = toSVGElement(element)->propertyFromAttribute(propertyHandle.svgAttribute());
     ASSERT(attribute);
 
     RefPtrWillBeRawPtr<SVGPropertyBase> fromValue = attribute->currentValueBase()->cloneForAnimation(m_value);
     RefPtrWillBeRawPtr<SVGPropertyBase> toValue = attribute->currentValueBase()->cloneForAnimation(toSVGPropertySpecificKeyframe(end).value());
 
     if (!fromValue || !toValue)
         return nullptr;
 
     return createSVGInterpolation(fromValue.get(), toValue.get(), attribute.get());
 }
 
 } // namespace blink