rem: return nsJSComponentManager.getService("@mozilla.org/widget/clipboard;1", "nsIClipboard"); 
add: if (!this._CB) { const kCBContractID = "@mozilla.org/widget/clipboard;1"; const kCBIID = Components.interfaces.nsIClipboard; this._CB = Components.classes[kCBContractID].getService(kCBIID); } return this._CB; 
context:   get mClipboard()    {      return nsJSComponentManager.getService("@mozilla.org/widget/clipboard;1",                                             "nsIClipboard");    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/910b9ea5006fff5af4d16b76be841a0594578c74/nsClipboard.js/clean/xpfe/global/resources/content/nsClipboard.js