Animation: Add template for ListStyleInterpolation

Source/core/animation/LengthPoint3DStyleInterpolation.h

Index: Source/core/animation/LengthPoint3DStyleInterpolation.h
diff --git a/Source/core/animation/LengthPoint3DStyleInterpolation.h b/Source/core/animation/LengthPoint3DStyleInterpolation.h
deleted file mode 100644
index 6a99b6d985b37b2599b8ba71b8b721b3da9d9ec8..0000000000000000000000000000000000000000
--- a/Source/core/animation/LengthPoint3DStyleInterpolation.h
+++ /dev/null
@@ -1,38 +0,0 @@
-// 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.
-
-#ifndef LengthPoint3DStyleInterpolation_h
-#define LengthPoint3DStyleInterpolation_h
-
-#include "core/animation/LengthStyleInterpolation.h"
-#include "core/css/CSSValueList.h"
-
-namespace blink {
-
-class LengthPoint3DStyleInterpolation : public StyleInterpolation {
-public:
-    static PassRefPtrWillBeRawPtr<LengthPoint3DStyleInterpolation> create(const CSSValue& start, const CSSValue& end, CSSPropertyID id)
-    {
-        return adoptRefWillBeNoop(new LengthPoint3DStyleInterpolation(lengthPoint3DtoInterpolableValue(start), lengthPoint3DtoInterpolableValue(end), id));
-    }
-
-    static bool canCreateFrom(const CSSValue&);
-
-    virtual void apply(StyleResolverState&) const override;
-    virtual void trace(Visitor*) override;
-
-private:
-    LengthPoint3DStyleInterpolation(PassOwnPtrWillBeRawPtr<InterpolableValue> start, PassOwnPtrWillBeRawPtr<InterpolableValue> end, CSSPropertyID id)
-        : StyleInterpolation(start, end, id)
-    { }
-
-    static PassOwnPtrWillBeRawPtr<InterpolableValue> lengthPoint3DtoInterpolableValue(const CSSValue&);
-    static PassRefPtrWillBeRawPtr<CSSValue> interpolableValueToLengthPoint3D(InterpolableValue*, InterpolationRange = RangeAll);
-
-    friend class AnimationLengthPoint3DStyleInterpolationTest;
-};
-
-} // namespace blink
-
-#endif // LengthPoint3DStyleInterpolation_h