rn unregisterServiceWorkersMatching(sw =>
      Services.eTLD.hasRootDomain(sw.principal.host, aHost)
    );
  },

  removeFromSite(aSchemelessSite, aOriginAttributesPattern) {
    return unregisterServiceWorkersMatching(sw => {
      let { principal } = sw;
      let { originAttributes } = principal;

      // Check service workers owned by aSchemelessSite.
      if (
        principal.baseDomain == aSchemelessSite &&
        ChromeUtils.originAttributesMatchPattern(
          originAttributes,
          aOriginAttributesPattern
        )
      ) {
        return true;
      }

      // Check service workers partitioned under aSchemelessSite.
      return ChromeUtils.originAttributesMatchPattern(originAttributes, {
        partitionKeyPattern: { baseDomain: aSchemelessSite },
        ...aOriginAttributesPattern,
      });
    });
  },

  removeFromPrincipal(aPrincipal) {
    return unregisterServiceWorkersMatching(sw =>
      sw.principal.equals(aPrincipal)
    );
  },

  removeFromOriginAttributes(aOriginAttributesString) {
    lazy.serviceWorkerManager.removeRegistrationsByOriginAttributes(
      aOriginAttributesString
    );
    return Promise.resolve();
  },

  removeAll() {
    return unregisterServiceWorkersMatching(() => true);
  },
};
PK