Remove unused ScrollAnimatorNone::PerAxisData constructor argument.

Source/platform/scroll/ScrollAnimatorNone.cpp

 /*
  * Copyright (c) 2011, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 172 matching lines @@
     return endValue - startValue;
 }
 
 double ScrollAnimatorNone::PerAxisData::releaseArea(Curve curve, double startT, double endT)
 {
     double startValue = curveIntegralAt(curve, 1 - endT);
     double endValue = curveIntegralAt(curve, 1 - startT);
     return endValue - startValue;
 }
 
-ScrollAnimatorNone::PerAxisData::PerAxisData(ScrollAnimatorNone* parent, float* currentPosition, int visibleLength)
+ScrollAnimatorNone::PerAxisData::PerAxisData(float* currentPosition, int visibleLength)
     : m_currentPosition(currentPosition)
     , m_visibleLength(visibleLength)
 {
     reset();
 }
 
 void ScrollAnimatorNone::PerAxisData::reset()
 {
     m_currentVelocity = 0;
 
@@ skipping 154 matching lines @@
     return true;
 }
 
 void ScrollAnimatorNone::PerAxisData::updateVisibleLength(int visibleLength)
 {
     m_visibleLength = visibleLength;
 }
 
 ScrollAnimatorNone::ScrollAnimatorNone(ScrollableArea* scrollableArea)
     : ScrollAnimator(scrollableArea)
-    , m_horizontalData(this, &m_currentPosX, scrollableArea->visibleWidth())
-    , m_verticalData(this, &m_currentPosY, scrollableArea->visibleHeight())
+    , m_horizontalData(&m_currentPosX, scrollableArea->visibleWidth())
+    , m_verticalData(&m_currentPosY, scrollableArea->visibleHeight())
     , m_startTime(0)
     , m_animationActive(false)
 {
 }
 
 ScrollAnimatorNone::~ScrollAnimatorNone()
 {
     stopAnimationTimerIfNeeded();
 }
 
@@ skipping 136 matching lines @@
     return m_animationActive;
 }
 
 void ScrollAnimatorNone::stopAnimationTimerIfNeeded()
 {
     if (animationTimerActive())
         m_animationActive = false;
 }
 
 } // namespace blink