Blink Compositor Animation: Make Animation and Curve methods non-virtual.

cc/animation/keyframed_animation_curve.h

 // Copyright 2012 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 CC_ANIMATION_KEYFRAMED_ANIMATION_CURVE_H_
 #define CC_ANIMATION_KEYFRAMED_ANIMATION_CURVE_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 135 matching lines @@
 };
 
 class CC_EXPORT KeyframedFloatAnimationCurve : public FloatAnimationCurve {
  public:
   // It is required that the keyframes be sorted by time.
   static std::unique_ptr<KeyframedFloatAnimationCurve> Create();
 
   ~KeyframedFloatAnimationCurve() override;
 
   void AddKeyframe(std::unique_ptr<FloatKeyframe> keyframe);
+
   void SetTimingFunction(std::unique_ptr<TimingFunction> timing_function) {
     timing_function_ = std::move(timing_function);
   }
+  TimingFunction* timing_function_for_testing() const {
+    return timing_function_.get();
+  }
 
   // AnimationCurve implementation
   base::TimeDelta Duration() const override;
   std::unique_ptr<AnimationCurve> Clone() const override;
 
   // FloatAnimationCurve implementation
   float GetValue(base::TimeDelta t) const override;
 
+  using Keyframes = std::vector<std::unique_ptr<FloatKeyframe>>;
+  const Keyframes& keyframes_for_testing() const { return keyframes_; }
+
  private:
   KeyframedFloatAnimationCurve();
 
   // Always sorted in order of increasing time. No two keyframes have the
   // same time.
-  std::vector<std::unique_ptr<FloatKeyframe>> keyframes_;
+  Keyframes keyframes_;
   std::unique_ptr<TimingFunction> timing_function_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyframedFloatAnimationCurve);
 };
 
 class CC_EXPORT KeyframedTransformAnimationCurve
     : public TransformAnimationCurve {
  public:
   // It is required that the keyframes be sorted by time.
   static std::unique_ptr<KeyframedTransformAnimationCurve> Create();
@@ skipping 60 matching lines @@
   // same time.
   std::vector<std::unique_ptr<FilterKeyframe>> keyframes_;
   std::unique_ptr<TimingFunction> timing_function_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyframedFilterAnimationCurve);
 };
 
 }  // namespace cc
 
 #endif  // CC_ANIMATION_KEYFRAMED_ANIMATION_CURVE_H_