rem: return LayoutATestCmdLineFactory; 
add: return RefTestCmdLineFactory; 
context:   getClassObject : function(compMgr, cid, iid)  {    if (cid.equals(REFTEST_CMDLINE_CLSID)) {      return LayoutATestCmdLineFactory;    }    if (!iid.equals(Components.interfaces.nsIFactory)) {      throw Components.results.NS_ERROR_NOT_IMPLEMENTED;    }    throw Components.results.NS_ERROR_NO_INTERFACE;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/0f935ef78a44e4c141e2dc0d2fe31de4db175d63/reftest-cmdline.js/buggy/layout/tools/reftest/reftest-cmdline.js