clearDeleteFacetIconTouchStartFlag = function(oList) {
				if (!oList) {
					return;
				}
				var oIcon = that._getFacetRemoveIcon(oList);

				if (oIcon) {
					oIcon._bTouchStarted = false;
				}
			}
Displays the facet popover when the user presses the facet button (Simple type only).
The popover is created if it does not exist and is available through the popover aggregation. This aggregation is destroyed when the popover is closed.

@returns {sap.m.Popover} Multiple calls return the same popover instance
@private