rem: this.mTree.view = new ComputedStyleView(aObject); 
add: this.mTreeView = new ComputedStyleView(aObject); this.mTree.view = this.mTreeView; 
context:   set subject(aObject)   {    this.mTree.view = new ComputedStyleView(aObject);    this.mObsMan.dispatchEvent("subjectChange", { subject: aObject });  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/2cff846f96c9c9c97c15f4055ce0968a5fd8827f/computedStyle.js/buggy/extensions/inspector/resources/content/viewers/computedStyle/computedStyle.js