    Ext.define('Ext.scroll.scroller.CssTransform', {
        extend: 'Ext.scroll.scroller.Abstract',

        doScrollTo: function(x, y) {
            var dom = this.getElement().dom,
                position = this.position;

            if (x === null) {
                x = position.x;
            }

            x = -x;

            if (y === null) {
                y = position.y;
            }

            y = -y;

            dom.style.webkitTransform = 'translate3d(' + x + 'px, ' + y + 'px, 0px)';
        }
    });