rem: return Components.lookupMethod(contentFrame, 'location').call(contentFrame).href; 
add: return contentFrame.location.href; 
context: function getContentFrameURI(aFocusedWindow){  var contentFrame = isContentFrame(aFocusedWindow) ? aFocusedWindow : window.content;  if (contentFrame)    return Components.lookupMethod(contentFrame, 'location').call(contentFrame).href;  else    return null;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/d953705f0891e974fe315e3d73465ce0d5f38087/contentAreaUtils.js/clean/toolkit/content/contentAreaUtils.js