Revert of Move some sync/notifier to components/invalidation

sync/sync_internal_api.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 46 matching lines @@
     'internal_api/public/base/attachment_id_proto.cc',
     'internal_api/public/base/attachment_id_proto.h',
     'internal_api/public/base/cancelation_observer.cc',
     'internal_api/public/base/cancelation_observer.h',
     'internal_api/public/base/cancelation_signal.cc',
     'internal_api/public/base/cancelation_signal.h',
     'internal_api/public/base/enum_set.h',
     'internal_api/public/base/enum_set.h',
     'internal_api/public/base/invalidation.cc',
     'internal_api/public/base/invalidation.h',
-    'internal_api/public/base/invalidator_state.cc',
-    'internal_api/public/base/invalidator_state.h',
     'internal_api/public/base/model_type.h',
     'internal_api/public/base/node_ordinal.cc',
     'internal_api/public/base/node_ordinal.h',
     'internal_api/public/base/ordinal.h',
     'internal_api/public/base/progress_marker_map.cc',
     'internal_api/public/base/progress_marker_map.h',
     'internal_api/public/base/unique_position.cc',
     'internal_api/public/base/unique_position.h',
     'internal_api/public/base_node.h',
     'internal_api/public/base_transaction.h',
@@ skipping 82 matching lines @@
     'internal_api/sync_rollback_manager_base.h',
     'internal_api/syncapi_internal.cc',
     'internal_api/syncapi_internal.h',
     'internal_api/syncapi_server_connection_manager.cc',
     'internal_api/syncapi_server_connection_manager.h',
     'internal_api/user_share.cc',
     'internal_api/write_node.cc',
     'internal_api/write_transaction.cc',
   ],
 }