rem: get contentArea() { return window.frames[ this.contentID ]; }, 
add: get contentArea () { return window.frames[this.contentID]; }, 
context:     get contentArea()      {        return window.frames[ this.contentID ];      },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/2934a64d6cf42519fe7351df34f6b7d06fee4200/nsWidgetStateManager.js/buggy/xpfe/global/resources/content/nsWidgetStateManager.js