Web Animations: Animate d presentation attribute using InterpolableValue

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

Index: third_party/WebKit/Source/core/animation/PathInterpolationFunctions.h
diff --git a/third_party/WebKit/Source/core/animation/PathInterpolationFunctions.h b/third_party/WebKit/Source/core/animation/PathInterpolationFunctions.h
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index 0000000000000000000000000000000000000000..ef28b5609f95e067cb7f98db3e41a93f284e8d29
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+++ b/third_party/WebKit/Source/core/animation/PathInterpolationFunctions.h
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+// Copyright 2016 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 PathInterpolationFunctions_h
+#define PathInterpolationFunctions_h
+
+#include "core/animation/InterpolationType.h"
+#include "core/svg/SVGPathByteStream.h"
+
+namespace blink {
+
+class PathInterpolationFunctions {
+public:
+    static PassRefPtr<SVGPathByteStream> appliedValue(const InterpolableValue&, const NonInterpolableValue*);
+
+    static void composite(UnderlyingValue&, double underlyingFraction, const InterpolationValue&);
+
+    static PassOwnPtr<InterpolationValue> convertValue(const InterpolationType&, const SVGPathByteStream&);
+
+    static PassOwnPtr<InterpolationValue> maybeConvertNeutral(const InterpolationType&, const UnderlyingValue&, InterpolationType::ConversionCheckers&);
+
+    static PassOwnPtr<PairwisePrimitiveInterpolation> mergeSingleConversions(const InterpolationType&, InterpolationValue& startValue, InterpolationValue& endValue);
+};
+
+} // namespace blink
+
+#endif // PathInterpolationFunctions_h