thumbUnderMouse 217 Source/platform/scroll/Scrollbar.cpp if ((m_pressedPart == BackTrackPart || m_pressedPart == ForwardTrackPart) && thumbUnderMouse(this)) { thumbUnderMouse 236 Source/platform/scroll/Scrollbar.cpp if ((m_pressedPart == BackTrackPart || m_pressedPart == ForwardTrackPart) && thumbUnderMouse(this)) {