sync: Finish the SyncScheduler refactor

sync/sync_core.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 50 matching lines @@
     'engine/process_updates_command.cc',
     'engine/process_updates_command.h',
     'engine/store_timestamps_command.cc',
     'engine/store_timestamps_command.h',
     'engine/sync_engine_event.cc',
     'engine/sync_engine_event.h',
     'engine/sync_scheduler.cc',
     'engine/sync_scheduler.h',
     'engine/sync_scheduler_impl.cc',
     'engine/sync_scheduler_impl.h',
-    'engine/sync_session_job.cc',
-    'engine/sync_session_job.h',
     'engine/syncer.cc',
     'engine/syncer.h',
     'engine/syncer_command.cc',
     'engine/syncer_command.h',
     'engine/syncer_proto_util.cc',
     'engine/syncer_proto_util.h',
     'engine/syncer_types.h',
     'engine/syncer_util.cc',
     'engine/syncer_util.h',
     'engine/throttled_data_type_tracker.cc',
@@ skipping 14 matching lines @@
     'js/js_reply_handler.h',
     'js/sync_js_controller.cc',
     'js/sync_js_controller.h',
     'protocol/proto_enum_conversions.cc',
     'protocol/proto_enum_conversions.h',
     'protocol/proto_value_conversions.cc',
     'protocol/proto_value_conversions.h',
     'protocol/sync_protocol_error.cc',
     'protocol/sync_protocol_error.h',
     'sessions/debug_info_getter.h',
+    'sessions/nudge_tracker.cc',
+    'sessions/nudge_tracker.h',
     'sessions/ordered_commit_set.cc',
     'sessions/ordered_commit_set.h',
     'sessions/status_controller.cc',
     'sessions/status_controller.h',
     'sessions/sync_session.cc',
     'sessions/sync_session.h',
     'sessions/sync_session_context.cc',
     'sessions/sync_session_context.h',
     'syncable/blob.h',
     'syncable/dir_open_result.h',
@@ skipping 69 matching lines @@
     'util/get_session_name_win.cc',
     'util/get_session_name_win.h',
     'util/logging.cc',
     'util/logging.h',
     'util/nigori.cc',
     'util/nigori.h',
     'util/time.cc',
     'util/time.h',
   ],
 }