code: function () {
              var param = {
                  width : 0,
                  activeIconIndex : 0
              }, oSelf = this;
              ariaUtilsArray.forEach(this._iconsLeft, function (value) {
                  oSelf._computeIconSize(value, param);
              });
              ariaUtilsArray.forEach(this._iconsRight, function (value) {
                  oSelf._computeIconSize(value, param);
              });
              this._iconsWidth = param.width;
          }
docs: Updates this._iconsWidth and the iconInfo property for all icons, based on the current state.
  @protected