NS_IMETHODIMP nsPref::SetCharPref(const char *aPrefName, const char *aValue)
NS_IMETHODIMP nsPref::SetCharPref(const char *pref,const char* value)
NS_IMETHODIMP nsPref::SetCharPref(const char *aPrefName, const char *aValue){  nsresult rv;  nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(mPrefService, &rv);  if (NS_SUCCEEDED(rv))    rv = prefBranch->SetCharPref(aPrefName, aValue);  return rv;}