rem: return this._displayIcon = this.getIcon() && this.getShowIcon(); 
add: return this._displayIcon = this.getIcon() && this.getShowIcon(); 
context: proto._updateUseIcon = function() {  return this._displayIcon = this.getIcon() && this.getShowIcon();  };
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/3cf914e288956daee0598f5709e2fa9cf057b56d/QxWindow.js/buggy/qooxdoo/source/script/widgets/QxWindow.js