Move chrome/browser/chromeos/drive/file_system.cc (+deps) into components/drive.

components/drive/BUILD.gn

 # Copyright (c) 2015 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("//third_party/protobuf/proto_library.gni")
 
 source_set("drive") {
   sources = [
     "change_list_loader.cc",
     "change_list_loader.h",
     "change_list_loader_observer.h",
     "change_list_processor.cc",
     "change_list_processor.h",
+    "directory_loader.cc",
+    "directory_loader.h",
     "drive_api_util.cc",
     "drive_api_util.h",
     "drive_app_registry.cc",
     "drive_app_registry.h",
     "drive_app_registry_observer.h",
     "drive_notification_manager.cc",
     "drive_notification_manager.h",
     "drive_notification_observer.h",
     "drive_pref_names.cc",
     "drive_pref_names.h",
     "drive_uploader.cc",
     "drive_uploader.h",
     "event_logger.cc",
     "event_logger.h",
     "file_cache.cc",
     "file_cache.h",
     "file_change.cc",
     "file_change.h",
     "file_errors.cc",
     "file_errors.h",
+    "file_system.cc",
+    "file_system.h",
     "file_system/copy_operation.cc",
     "file_system/copy_operation.h",
     "file_system/create_directory_operation.cc",
     "file_system/create_directory_operation.h",
     "file_system/create_file_operation.cc",
     "file_system/create_file_operation.h",
     "file_system/download_operation.cc",
     "file_system/download_operation.h",
     "file_system/get_file_for_saving_operation.cc",
     "file_system/get_file_for_saving_operation.h",
@@ skipping 12 matching lines @@
     "file_system/touch_operation.cc",
     "file_system/touch_operation.h",
     "file_system/truncate_operation.cc",
     "file_system/truncate_operation.h",
     "file_system_core_util.cc",
     "file_system_core_util.h",
     "file_system_interface.cc",
     "file_system_interface.h",
     "file_system_metadata.cc",
     "file_system_metadata.h",
+    "file_system_observer.h",
     "file_write_watcher.cc",
     "file_write_watcher.h",
     "job_list.cc",
     "job_list.h",
     "job_queue.cc",
     "job_queue.h",
     "job_scheduler.cc",
     "job_scheduler.h",
     "local_file_reader.cc",
     "local_file_reader.h",
+    "remove_stale_cache_files.cc",
+    "remove_stale_cache_files.h",
     "resource_entry_conversion.cc",
     "resource_entry_conversion.h",
     "resource_metadata.cc",
     "resource_metadata.h",
     "resource_metadata_storage.cc",
     "resource_metadata_storage.h",
+    "search_metadata.cc",
+    "search_metadata.h",
     "service/drive_api_service.cc",
     "service/drive_api_service.h",
     "service/drive_service_interface.cc",
     "service/drive_service_interface.h",
+    "sync/entry_revert_performer.cc",
+    "sync/entry_revert_performer.h",
+    "sync/entry_update_performer.cc",
+    "sync/entry_update_performer.h",
+    "sync/remove_performer.cc",
+    "sync/remove_performer.h",
+    "sync_client.cc",
+    "sync_client.h",
   ]
   deps = [
     "//base:base",
     "//components/invalidation/public",
 
     # TODO(lukasza): Remove this dependency (see DEPS file for more info).
     "//content/public/browser:browser",
 
     "//google_apis:google_apis",
     "//net:net",
@@ skipping 10 matching lines @@
   sources = [
     "drive.proto",
   ]
 }
 
 source_set("test_support") {
   testonly = true
   sources = [
     "drive_test_util.cc",
     "drive_test_util.h",
+    "dummy_file_system.cc",
+    "dummy_file_system.h",
+    "fake_file_system.cc",
+    "fake_file_system.h",
     "fake_free_disk_space_getter.cc",
     "fake_free_disk_space_getter.h",
     "service/dummy_drive_service.cc",
     "service/dummy_drive_service.h",
     "service/fake_drive_service.cc",
     "service/fake_drive_service.h",
     "service/test_util.cc",
     "service/test_util.h",
   ]
   deps = [
     ":drive",
     ":proto",
     "//base:base",
     "//content/test:test_support",
     "//google_apis:google_apis",
     "//net:net",
   ]
 }