First Implementation of Snapped Points

ui/events/gestures/fling_curve.h

Index: ui/events/gestures/fling_curve.h
diff --git a/ui/events/gestures/fling_curve.h b/ui/events/gestures/fling_curve.h
index 18a69d3070eb957fedae9bb142c577f7f0724edf..5fac06e7163e9405e821bd2afa9cd01d95e6b31a 100644
--- a/ui/events/gestures/fling_curve.h
+++ b/ui/events/gestures/fling_curve.h
@@ -32,6 +32,10 @@ class EVENTS_BASE_EXPORT FlingCurve : public GestureCurve {
   // animation ticks.
   bool ComputeScrollDeltaAtTime(base::TimeTicks current, gfx::Vector2dF* delta);
 
+  void ComputeTotalScrollOffset(gfx::Vector2dF& offset) override;
+
+  bool ResetCurveBySnappedOffset(const gfx::Vector2dF& offset) override;
+
  private:
   const float curve_duration_;
   const base::TimeTicks start_timestamp_;