m_visibleLength 280 Source/platform/scroll/ScrollAnimatorNone.cpp double targetMaxCoastVelocity = m_visibleLength * .25 * kFrameRate; m_visibleLength 282 Source/platform/scroll/ScrollAnimatorNone.cpp double minCoastDelta = m_visibleLength; m_visibleLength 364 Source/platform/scroll/ScrollAnimatorNone.cpp m_visibleLength = visibleLength; m_visibleLength 135 Source/platform/scroll/ScrollAnimatorNone.h int m_visibleLength;