Refactor common invalidation framework types

sync/sync_notifier.gypi

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'include_dirs': [
     '..',
   ],
   'defines': [
     'SYNC_IMPLEMENTATION',
@@ skipping 17 matching lines @@
     'notifier/invalidation_state_tracker.h',
     'notifier/invalidation_util.cc',
     'notifier/invalidation_util.h',
     'notifier/invalidator.h',
     'notifier/invalidator_registrar.cc',
     'notifier/invalidator_registrar.h',
     'notifier/invalidator_state.cc',
     'notifier/invalidator_state.h',
     'notifier/object_id_invalidation_map.cc',
     'notifier/object_id_invalidation_map.h',
+    'notifier/single_object_invalidation_set.cc',
+    'notifier/single_object_invalidation_set.h',
   ],
   'conditions': [
     ['OS != "android"', {
       'sources': [
         'notifier/ack_tracker.cc',
         'notifier/ack_tracker.h',
         'notifier/invalidation_notifier.cc',
         'notifier/invalidation_notifier.h',
         'notifier/non_blocking_invalidator.cc',
         'notifier/non_blocking_invalidator.h',
         'notifier/p2p_invalidator.cc',
         'notifier/p2p_invalidator.h',
         'notifier/push_client_channel.cc',
         'notifier/push_client_channel.h',
         'notifier/registration_manager.cc',
         'notifier/registration_manager.h',
         'notifier/state_writer.h',
         'notifier/sync_invalidation_listener.cc',
         'notifier/sync_invalidation_listener.h',
         'notifier/sync_system_resources.cc',
         'notifier/sync_system_resources.h',
       ],
     }],
   ],
 }