GridInstance.scrollTo takes an object in the data array as parameter, not

a GridRow.

Also, both parameters are optional.

See
https://github.com/angular-ui/ui-grid/blob/a42dab24532fb896725b9fc8359e4526e436c891/src/js/core/factories/Grid.js#L2419-L2440

ui-grid/ui-grid-tests.ts

@@ -100,5 +100,11 @@ gridApi.core.queueGridRefresh()
 gridApi.core.queueRefresh();
 gridApi.core.registerColumnsProcessor(colProcessor, 100);
 
+var rowEntityToScrollTo = {anObject: "inGridOptionsData"};
+var columnDefToScrollTo: uiGrid.IColumnDef;
+gridInstance.scrollTo();
+gridInstance.scrollTo(rowEntityToScrollTo);
+gridInstance.scrollTo(rowEntityToScrollTo, columnDefToScrollTo);
+
 var selectedRowEntities: Array<any> = gridApi.selection.getSelectedRows();
 var selectedGridRows: Array<uiGrid.IGridRow> = gridApi.selection.getSelectedGridRows();

ui-grid/ui-grid.d.ts

@@ -445,7 +445,7 @@ declare module uiGrid {
          * @param {IColumnDef} colDef to make visible
          * @returns {ng.IPromise<any>} a promise that is resolved after any scrolling is finished
          */
-        scrollTo(rowEntity: IGridRow, colDef: IColumnDef): ng.IPromise<any>;
+        scrollTo(rowEntity?: any, colDef?: IColumnDef): ng.IPromise<any>;
         /**
          * Scrolls the grid to make a certain row and column combo visible,
          * in the case that it is not completely visible on the screen already.