sync: migrate invalidation state from syncable::Directory to InvalidationStorage

sync/sync.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     # The core sync library.
@@ skipping 337 matching lines @@
       ],
       'export_dependent_settings': [
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         'protocol/sync_proto.gyp:sync_proto',
         'sync',
       ],
       'sources': [
         'js/js_test_util.cc',
         'js/js_test_util.h',
+        'notifier/mock_invalidation_state_tracker.cc',
+        'notifier/mock_invalidation_state_tracker.h',
         'sessions/test_util.cc',
         'sessions/test_util.h',
         'syncable/model_type_test_util.cc',
         'syncable/model_type_test_util.h',
         'syncable/syncable_mock.cc',
         'syncable/syncable_mock.h',
         'test/fake_encryptor.cc',
         'test/fake_encryptor.h',
         'test/fake_extensions_activity_monitor.cc',
         'test/fake_extensions_activity_monitor.h',
@@ skipping 360 matching lines @@
         '../net/net.gyp:net_test_support',
         'sync',
         'sync_notifier',
       ],
       'sources': [
         'tools/sync_listen_notifications.cc',
       ],
     },
   ],
 }