mInstallInitialized = PR_FALSE; mProfileInitialized = PR_FALSE;  mUseXBLForms = PR_FALSE;  nsCOMPtr<nsIPref> prefService(do_GetService(kPrefServiceCID)); if (prefService) prefService->GetBoolPref(kUseXBLFormsPref, &mUseXBLForms);
nsChromeRegistry::nsChromeRegistry(){	NS_INIT_REFCNT();  mInstallInitialized = PR_FALSE;  mProfileInitialized = PR_FALSE;  mUseXBLForms = PR_FALSE;  nsCOMPtr<nsIPref> prefService(do_GetService(kPrefServiceCID));  if (prefService)    prefService->GetBoolPref(kUseXBLFormsPref, &mUseXBLForms);  mDataSourceTable = nsnull;}