Update cc snapshot to r127918

webkit/compositor_bindings/TouchpadFlingPlatformGestureCurve.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 TouchpadFlingPlatformGestureCurve_h
-#define TouchpadFlingPlatformGestureCurve_h
-
-#include "FloatPoint.h"
-#include "PlatformGestureCurve.h"
-#include <wtf/OwnPtr.h>
-#include <wtf/PassOwnPtr.h>
-
-namespace WebCore {
-
-class PlatformGestureCurveTarget;
-
-// Implementation of PlatformGestureCurve 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
-// the initial velocity.
-class TouchpadFlingPlatformGestureCurve : public PlatformGestureCurve {
-public:
-    static PassOwnPtr<PlatformGestureCurve> create(const FloatPoint& velocity, IntPoint cumulativeScroll = IntPoint());
-    static PassOwnPtr<PlatformGestureCurve> create(const FloatPoint& velocity, float p0, float p1, float p2, float p3, float p4, float curveDuration, IntPoint cumulativeScroll = IntPoint());
-    virtual ~TouchpadFlingPlatformGestureCurve();
-
-    virtual const char* debugName() const OVERRIDE;
-    virtual bool apply(double monotonicTime, PlatformGestureCurveTarget*) OVERRIDE;
-
-private:
-    TouchpadFlingPlatformGestureCurve(const FloatPoint& velocity, float p0, float p1, float p2, float p3, float p4, float curveDuration, const IntPoint& cumulativeScroll);
-
-    FloatPoint m_displacementRatio;
-    IntPoint m_cumulativeScroll;
-    float m_coeffs[5];
-    float m_timeOffset;
-    float m_curveDuration;
-    float m_positionOffset;
-
-    static const int m_maxSearchIterations;
-};
-
-} // namespace WebCore
-
-#endif