add: this.mObsMan.dispatchEvent("subjectChange", { subject: aObject }); 
context:   set subject(aObject)   {    this.mOlBox.view = new ComputedStyleView(aObject);  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/732dc6261a2ac11c9af2f33803020c5eb226df56/computedStyle.js/buggy/extensions/inspector/resources/content/viewers/computedStyle/computedStyle.js