Bug 1489381 - Remove nsISettingsService.idl. r=mccr8

This is an old B2G leftover. The directory isn't even traversed by the build
system.

--HG--
extra : rebase_source : 7b659ba1a03e9d830af1a6b959987dfb585ce704

dom/interfaces/settings/moz.build

@@ -1,15 +0,0 @@
-# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
-# vim: set filetype=python:
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-with Files("**"):
-    BUG_COMPONENT = ("Core", "DOM: Device Interfaces")
-
-XPIDL_SOURCES += [
-    'nsISettingsService.idl',
-]
-
-XPIDL_MODULE = 'dom_settings'
-

dom/interfaces/settings/nsISettingsService.idl

@@ -1,37 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "domstubs.idl"
-
-[scriptable, uuid(aad47850-2e87-11e2-81c1-0800200c9a66)]
-interface nsISettingsServiceCallback : nsISupports
-{
-  void handle(in DOMString aName, in jsval aResult);
-  void handleError(in DOMString aErrorMessage);
-};
-
-[scriptable, uuid(f1b3d820-8e75-11e3-baa8-0800200c9a66)]
-interface nsISettingsTransactionCompleteCallback : nsISupports
-{
-  void handle();
-  void handleAbort(in DOMString aErrorMessage);
-};
-
-[scriptable, uuid(d7a395a0-e292-11e1-834e-1761d57f5f99)]
-interface nsISettingsServiceLock : nsISupports
-{
-  void set(in string aName,
-           in jsval aValue,
-           in nsISettingsServiceCallback aCallback,
-           [optional] in string aMessage);
-
-  void get(in string aName, in nsISettingsServiceCallback aCallback);
-};
-
-[scriptable, uuid(d1ed155c-9f90-47bb-91c2-7eac54d69f4b)]
-interface nsISettingsService : nsISupports
-{
-  nsISettingsServiceLock createLock([optional] in nsISettingsTransactionCompleteCallback aCallback);
-  void receiveMessage(in jsval aMessage);
-};