SVG Web Animations: Add SVGInterpolationType pipeline

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

Index: third_party/WebKit/Source/core/animation/SVGInterpolationType.h
diff --git a/third_party/WebKit/Source/core/animation/SVGInterpolationType.h b/third_party/WebKit/Source/core/animation/SVGInterpolationType.h
new file mode 100644
index 0000000000000000000000000000000000000000..e8b3b3b11609c565989c764508055bc4b3779bab
--- /dev/null
+++ b/third_party/WebKit/Source/core/animation/SVGInterpolationType.h
@@ -0,0 +1,32 @@
+// 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 SVGInterpolationType_h
+#define SVGInterpolationType_h
+
+#include "core/animation/InterpolationType.h"
+
+namespace blink {
+
+class SVGPropertyBase;
+
+class SVGInterpolationType : public InterpolationType {
+protected:
+    SVGInterpolationType(const QualifiedName& attribute)
+        : InterpolationType(PropertyHandle(attribute))
+    { }
+
+    const QualifiedName& attribute() const { return property().svgAttribute(); }
+
+    virtual PassOwnPtr<InterpolationValue> maybeConvertNeutral() const = 0;
+    virtual PassOwnPtr<InterpolationValue> maybeConvertSVGValue(const SVGPropertyBase&) const = 0;
+    virtual RefPtrWillBeRawPtr<SVGPropertyBase> appliedSVGValue(const InterpolableValue&, const NonInterpolableValue*) const = 0;
+
+    PassOwnPtr<InterpolationValue> maybeConvertSingle(const PropertySpecificKeyframe&, const InterpolationEnvironment&, const UnderlyingValue&, ConversionCheckers&) const override;
+    void apply(const InterpolableValue&, const NonInterpolableValue*, InterpolationEnvironment&) const final;
+};
+
+} // namespace blink
+
+#endif // SVGInterpolationType_h