Revert "Menu: Make check for click outside of menu a function which can be overridden. Fixes #8929 - Menu needs adjustement for use in Selectmenu"

This reverts commit 2a7896e.

Author: scottgonzalez

ui/jquery.ui.menu.js

@@ -131,7 +131,7 @@ $.widget( "ui.menu", {
 		// Clicks outside of a menu collapse any open menus
 		this._on( this.document, {
 			click: function( event ) {
-				if ( this._closeOnDocumentClick( event ) ) {
+				if ( !$( event.target ).closest( ".ui-menu" ).length ) {
 					this.collapseAll( event );
 				}
 
@@ -498,10 +498,6 @@ $.widget( "ui.menu", {
 				.removeClass( "ui-state-active" );
 	},
 
-	_closeOnDocumentClick: function( event ) {
-		return !$( event.target ).closest( ".ui-menu" ).length;
-	},
-
 	collapse: function( event ) {
 		var newItem = this.active &&
 			this.active.parent().closest( ".ui-menu-item", this.element );