[Sync] SyncEngine refactor part 1: interfaces.

components/sync/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/features.gni")
 import("//components/sync/protocol/protocol_sources.gni")
 import("//testing/test.gni")
 
 static_library("sync") {
@@ skipping 81 matching lines @@
     "device_info/device_info_sync_service.cc",
     "device_info/device_info_sync_service.h",
     "device_info/device_info_tracker.h",
     "device_info/device_info_util.cc",
     "device_info/device_info_util.h",
     "device_info/local_device_info_provider.h",
     "device_info/local_device_info_provider_impl.cc",
     "device_info/local_device_info_provider_impl.h",
     "driver/about_sync_util.cc",
     "driver/about_sync_util.h",
-    "driver/backend_data_type_configurer.cc",
-    "driver/backend_data_type_configurer.h",
     "driver/backend_migrator.cc",
     "driver/backend_migrator.h",
     "driver/data_type_controller.cc",
     "driver/data_type_controller.h",
     "driver/data_type_encryption_handler.cc",
     "driver/data_type_encryption_handler.h",
     "driver/data_type_manager.cc",
     "driver/data_type_manager.h",
     "driver/data_type_manager_impl.cc",
     "driver/data_type_manager_impl.h",
     "driver/data_type_manager_observer.h",
     "driver/data_type_status_table.cc",
     "driver/data_type_status_table.h",
     "driver/directory_data_type_controller.cc",
     "driver/directory_data_type_controller.h",
     "driver/frontend_data_type_controller.cc",
     "driver/frontend_data_type_controller.h",
     "driver/generic_change_processor.cc",
     "driver/generic_change_processor.h",
     "driver/generic_change_processor_factory.cc",
     "driver/generic_change_processor_factory.h",
-    "driver/glue/sync_backend_host.cc",
-    "driver/glue/sync_backend_host.h",
     "driver/glue/sync_backend_host_core.cc",
     "driver/glue/sync_backend_host_core.h",
     "driver/glue/sync_backend_host_impl.cc",
     "driver/glue/sync_backend_host_impl.h",
     "driver/glue/sync_backend_registrar.cc",
     "driver/glue/sync_backend_registrar.h",
     "driver/model_association_manager.cc",
     "driver/model_association_manager.h",
     "driver/model_associator.h",
     "driver/model_type_controller.cc",
@@ skipping 10 matching lines @@
     "driver/signin_manager_wrapper.h",
     "driver/startup_controller.cc",
     "driver/startup_controller.h",
     "driver/sync_api_component_factory.h",
     "driver/sync_client.cc",
     "driver/sync_client.h",
     "driver/sync_driver_switches.cc",
     "driver/sync_driver_switches.h",
     "driver/sync_error_controller.cc",
     "driver/sync_error_controller.h",
-    "driver/sync_frontend.cc",
-    "driver/sync_frontend.h",
     "driver/sync_service.cc",
     "driver/sync_service.h",
     "driver/sync_service_observer.cc",
     "driver/sync_service_observer.h",
     "driver/sync_service_utils.cc",
     "driver/sync_service_utils.h",
     "driver/sync_stopped_reporter.cc",
     "driver/sync_stopped_reporter.h",
     "driver/sync_type_preference_provider.h",
     "driver/sync_util.cc",
@@ skipping 46 matching lines @@
     "engine/engine_components_factory_impl.cc",
     "engine/engine_components_factory_impl.h",
     "engine/engine_util.cc",
     "engine/engine_util.h",
     "engine/events/protocol_event.cc",
     "engine/events/protocol_event.h",
     "engine/events/protocol_event_observer.cc",
     "engine/events/protocol_event_observer.h",
     "engine/model_safe_worker.cc",
     "engine/model_safe_worker.h",
+    "engine/model_type_configurer.cc",
+    "engine/model_type_configurer.h",
     "engine/model_type_connector.cc",
     "engine/model_type_connector.h",
     "engine/model_type_processor.cc",
     "engine/model_type_processor.h",
     "engine/model_type_processor_proxy.cc",
     "engine/model_type_processor_proxy.h",
     "engine/net/http_bridge.cc",
     "engine/net/http_bridge.h",
     "engine/net/http_bridge_network_resources.cc",
     "engine/net/http_bridge_network_resources.h",
     "engine/net/http_post_provider_factory.h",
     "engine/net/http_post_provider_interface.h",
     "engine/net/network_resources.h",
     "engine/non_blocking_sync_common.cc",
     "engine/non_blocking_sync_common.h",
     "engine/passive_model_worker.cc",
     "engine/passive_model_worker.h",
     "engine/polling_constants.cc",
     "engine/polling_constants.h",
     "engine/shutdown_reason.h",
     "engine/sync_auth_provider.h",
     "engine/sync_encryption_handler.cc",
     "engine/sync_encryption_handler.h",
+    "engine/sync_engine.cc",
+    "engine/sync_engine.h",
+    "engine/sync_engine_host.cc",
+    "engine/sync_engine_host.h",
     "engine/sync_manager.cc",
     "engine/sync_manager.h",
     "engine/sync_manager_factory.cc",
     "engine/sync_manager_factory.h",
     "engine/sync_status.cc",
     "engine/sync_status.h",
     "engine/sync_string_conversions.cc",
     "engine/sync_string_conversions.h",
     "engine/ui_model_worker.cc",
     "engine/ui_model_worker.h",
@@ skipping 533 matching lines @@
     "driver/fake_data_type_controller.cc",
     "driver/fake_data_type_controller.h",
     "driver/fake_generic_change_processor.cc",
     "driver/fake_generic_change_processor.h",
     "driver/fake_sync_client.cc",
     "driver/fake_sync_client.h",
     "driver/fake_sync_service.cc",
     "driver/fake_sync_service.h",
     "driver/frontend_data_type_controller_mock.cc",
     "driver/frontend_data_type_controller_mock.h",
-    "driver/glue/sync_backend_host_mock.cc",
-    "driver/glue/sync_backend_host_mock.h",
     "driver/model_associator_mock.cc",
     "driver/model_associator_mock.h",
     "driver/non_ui_data_type_controller_mock.cc",
     "driver/non_ui_data_type_controller_mock.h",
     "driver/sync_api_component_factory_mock.cc",
     "driver/sync_api_component_factory_mock.h",
+    "engine/fake_sync_engine.cc",
+    "engine/fake_sync_engine.h",
     "model/change_processor_mock.cc",
     "model/change_processor_mock.h",
   ]
 
   public_deps = [
     ":test_support_base",
   ]
 
   deps = [
     ":sync",
@@ skipping 321 matching lines @@
     deps = [
       ":fake_server_jni",
       ":sync",
       ":test_support_fake_server",
       "//base",
       "//testing/gtest",
       "//url:url",
     ]
   }
 }