fling: Remove a bunch of code for configuring fling curves.

content/child/touch_fling_gesture_curve.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 CONTENT_CHILD_TOUCH_FLING_GESTURE_CURVE_H_
 #define CONTENT_CHILD_TOUCH_FLING_GESTURE_CURVE_H_
 
 #include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
 #include "third_party/WebKit/public/platform/WebFloatSize.h"
 #include "third_party/WebKit/public/platform/WebGestureCurve.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 
 namespace blink {
 class WebGestureCurveTarget;
 }
 
 namespace content {
 
 // Implementation of WebGestureCurve suitable for touch pad/screen-based
 // fling scroll. Starts with a flat velocity profile based on 'velocity', which
 // tails off to zero. Time is scaled to that duration of the fling is
 // proportional to the initial velocity.
 class TouchFlingGestureCurve : public blink::WebGestureCurve {
  public:
 
   static CONTENT_EXPORT WebGestureCurve* Create(
       const blink::WebFloatPoint& initial_velocity,
-      float p0, float p1, float p2,
       const blink::WebSize& cumulativeScroll);
 
  virtual bool apply(double monotonicTime,
                     blink::WebGestureCurveTarget*) OVERRIDE;
 
  private:
   TouchFlingGestureCurve(const blink::WebFloatPoint& initial_velocity,
-                         float p0,
-                         float p1,
-                         float p2,
                          const blink::WebSize& cumulativeScroll);
   virtual ~TouchFlingGestureCurve();
 
   blink::WebFloatPoint displacement_ratio_;
   blink::WebFloatSize cumulative_scroll_;
-  float coefficients_[3];
   float time_offset_;
   float curve_duration_;
   float position_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchFlingGestureCurve);
 };
 
 } // namespace content
 
 #endif // CONTENT_CHILD_TOUCH_FLING_GESTURE_CURVE_H_