function onCommandLogDone(snapshot, log)
        {
            this._logTreeView.setCommandLog(snapshot.target(), log || []);
            this._paintProfilerView.setSnapshotAndLog(snapshot || null, log || [], null);
        }
@param {!WebInspector.PaintProfilerSnapshot=} snapshot
@param {!Array.<!Object>=} log
@this {WebInspector.LayerPaintProfilerView}