rem: this._init(); 
add:     this._dbInit();   this._observerSvc.addObserver(this, "xpcom-shutdown", false); 
context: function ContentPrefService() {  this._init();}
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/26c1447b8f5ec55a10f5a63daf47283cfaf0ab71/nsContentPrefService.js/clean/toolkit/components/contentprefs/src/nsContentPrefService.js