Remove unused AnimatableValue types

third_party/WebKit/Source/core/animation/animatable/AnimatableDoubleAndBool.h

-// 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 AnimatableDoubleAndBool_h
-#define AnimatableDoubleAndBool_h
-
-#include "core/CoreExport.h"
-#include "core/animation/animatable/AnimatableValue.h"
-
-namespace blink {
-
-class AnimatableDoubleAndBool final : public AnimatableValue {
- public:
-  ~AnimatableDoubleAndBool() override {}
-  static PassRefPtr<AnimatableDoubleAndBool> Create(double number, bool flag) {
-    return AdoptRef(new AnimatableDoubleAndBool(number, flag));
-  }
-
- private:
-  AnimatableDoubleAndBool(double number, bool flag)
-      : number_(number), flag_(flag) {}
-  AnimatableType GetType() const override { return kTypeDoubleAndBool; }
-  bool EqualTo(const AnimatableValue*) const override;
-
-  double number_;
-  bool flag_;
-};
-
-DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableDoubleAndBool, IsDoubleAndBool());
-
-}  // namespace blink
-
-#endif  // AnimatableDoubleAndBool_h