privacy.services

function onSet(result) {
  if (result) {
    console.log("success");
  } else {
    console.log("failure");
  }
}

let getting = browser.privacy.services.passwordSavingEnabled.get({});
getting.then((got) => {
  console.log(got.value);
  if (
    got.levelOfControl === "controlled_by_this_extension" ||
    got.levelOfControl === "controllable_by_this_extension"
  ) {
    let setting = browser.privacy.services.passwordSavingEnabled.set({
      value: false,
    });
    setting.then(onSet);
  } else {
    console.log("Not able to set passwordSavingEnabled");
  }
});