rem: this._engines.forEach(function (e) { e.uri = e.originalEngine.uri; }); 
add: var someHidden = this._defaultEngines.some(function (e) {return e.hidden;}); 
context:     this._engines.forEach(function (e) {      e.uri = e.originalEngine.uri;    });
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ea6caf7eeb5138356e8afccb7d43f0925257d70b/engineManager.js/clean/browser/components/search/content/engineManager.js