function onGotObject(result)
        {
            if (!result || !result["skp64"] || !this._target) {
                callback(null, null);
                return;
            }
            var rect = result["params"] && result["params"]["layer_rect"];
            WebInspector.PaintProfilerSnapshot.load(this._target, result["skp64"], callback.bind(null, rect));
        }
@param {?Object} result
@this {WebInspector.LayerPaintEvent}