Web Animations: Add SVGRectInterpolationType

third_party/WebKit/Source/core/animation/RectSVGInterpolation.h

-// 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.
-
-#ifndef RectSVGInterpolation_h
-#define RectSVGInterpolation_h
-
-#include "core/animation/SVGInterpolation.h"
-#include "core/svg/SVGRect.h"
-
-namespace blink {
-
-class SVGRect;
-
-class RectSVGInterpolation : public SVGInterpolation {
-public:
-    static PassRefPtr<RectSVGInterpolation> create(SVGPropertyBase* start, SVGPropertyBase* end, PassRefPtrWillBeRawPtr<SVGAnimatedPropertyBase> attribute)
-    {
-        return adoptRef(new RectSVGInterpolation(toInterpolableValue(start), toInterpolableValue(end), attribute));
-    }
-
-    PassRefPtrWillBeRawPtr<SVGPropertyBase> interpolatedValue(SVGElement&) const final
-    {
-        return fromInterpolableValue(*m_cachedValue);
-    }
-
-private:
-    RectSVGInterpolation(PassOwnPtr<InterpolableValue> start, PassOwnPtr<InterpolableValue> end, PassRefPtrWillBeRawPtr<SVGAnimatedPropertyBase> attribute)
-        : SVGInterpolation(start, end, attribute)
-    {
-    }
-
-    static PassOwnPtr<InterpolableValue> toInterpolableValue(SVGPropertyBase*);
-
-    static PassRefPtrWillBeRawPtr<SVGRect> fromInterpolableValue(const InterpolableValue&);
-};
-
-}
-
-#endif // RectSVGInterpolation_h