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

third_party/WebKit/Source/platform/animation/CompositorScrollOffsetAnimationCurve.h

 // 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 CompositorScrollOffsetAnimationCurve_h
 #define CompositorScrollOffsetAnimationCurve_h
 
 #include "platform/PlatformExport.h"
 #include "platform/animation/CompositorAnimationCurve.h"
 #include "platform/geometry/FloatPoint.h"
@@ skipping 11 matching lines @@
     enum ScrollDurationBehavior {
         ScrollDurationDeltaBased = 0,
         ScrollDurationConstant,
         ScrollDurationInverseDelta
     };
 
     CompositorScrollOffsetAnimationCurve(FloatPoint, ScrollDurationBehavior);
     CompositorScrollOffsetAnimationCurve(cc::ScrollOffsetAnimationCurve*);
     ~CompositorScrollOffsetAnimationCurve() override;
 
-    virtual void setInitialValue(FloatPoint);
-    virtual FloatPoint getValue(double time) const;
-    virtual double duration() const;
-    virtual FloatPoint targetValue() const;
-    virtual void updateTarget(double time, FloatPoint newTarget);
+    void setInitialValue(FloatPoint);
+    FloatPoint getValue(double time) const;
+    double duration() const;
+    FloatPoint targetValue() const;
+    void updateTarget(double time, FloatPoint newTarget);
 
     // CompositorAnimationCurve implementation.
     std::unique_ptr<cc::AnimationCurve> cloneToAnimationCurve() const override;
 
 private:
     std::unique_ptr<cc::ScrollOffsetAnimationCurve> m_curve;
 };
 
 } // namespace blink
 
 #endif // CompositorScrollOffsetAnimationCurve_h