code: function() {
          var dimensionModel = this.dimensionModel;
          var headerHeight = dimensionModel.get('headerHeight');
          var frozenBorderWidth = dimensionModel.get('frozenBorderWidth');
          var resizeHandleView = this.viewFactory.createHeaderResizeHandle(frameConst.L, [headerHeight], true);
          var $resizeHanlder = resizeHandleView.render().$el;
          var $frozenBorder = createDiv(classNameConst.FROZEN_BORDER, {
              marginLeft: -frozenBorderWidth,
              width: frozenBorderWidth
          });
  
          this.$el.append($resizeHanlder, $frozenBorder)
              .find('.' + classNameConst.SCROLLBAR_FROZEN_BORDER)
              .css({
                  marginLeft: -(frozenBorderWidth + CELL_BORDER_WIDTH),
                  width: frozenBorderWidth
              });
      }
docs: Create frozen border and set styles
  @param {boolean} scrollX - Whether the grid has x-scroll or not
  @private