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

components/drive.gypi

Index: components/drive.gypi
diff --git a/components/drive.gypi b/components/drive.gypi
index 55266d4b4371e040f7fe5343e1bb31de18ab2e32..781f54617a0208b197a04af53871f70468ac12cb 100644
--- a/components/drive.gypi
+++ b/components/drive.gypi
@@ -32,6 +32,8 @@
         'drive/change_list_loader_observer.h',
         'drive/change_list_processor.cc',
         'drive/change_list_processor.h',
+        'drive/directory_loader.cc',
+        'drive/directory_loader.h',
         'drive/drive_api_util.cc',
         'drive/drive_api_util.h',
         'drive/drive_app_registry.cc',
@@ -52,6 +54,8 @@
         'drive/file_change.h',
         'drive/file_errors.cc',
         'drive/file_errors.h',
+        'drive/file_system.cc',
+        'drive/file_system.h',
         'drive/file_system/copy_operation.cc',
         'drive/file_system/copy_operation.h',
         'drive/file_system/create_directory_operation.cc',
@@ -84,6 +88,7 @@
         'drive/file_system_interface.h',
         'drive/file_system_metadata.cc',
         'drive/file_system_metadata.h',
+        'drive/file_system_observer.h',
         'drive/file_write_watcher.cc',
         'drive/file_write_watcher.h',
         'drive/job_list.cc',
@@ -94,16 +99,28 @@
         'drive/job_scheduler.h',
         'drive/local_file_reader.cc',
         'drive/local_file_reader.h',
+        'drive/remove_stale_cache_files.cc',
+        'drive/remove_stale_cache_files.h',
         'drive/resource_entry_conversion.cc',
         'drive/resource_entry_conversion.h',
         'drive/resource_metadata.cc',
         'drive/resource_metadata.h',
         'drive/resource_metadata_storage.cc',
         'drive/resource_metadata_storage.h',
+        'drive/search_metadata.cc',
+        'drive/search_metadata.h',
         'drive/service/drive_api_service.cc',
         'drive/service/drive_api_service.h',
         'drive/service/drive_service_interface.cc',
         'drive/service/drive_service_interface.h',
+        'drive/sync/entry_revert_performer.cc',
+        'drive/sync/entry_revert_performer.h',
+        'drive/sync/entry_update_performer.cc',
+        'drive/sync/entry_update_performer.h',
+        'drive/sync/remove_performer.cc',
+        'drive/sync/remove_performer.h',
+        'drive/sync_client.cc',
+        'drive/sync_client.h',
       ],
     },
 
@@ -138,6 +155,10 @@
       'sources': [
         "drive/drive_test_util.cc",
         "drive/drive_test_util.h",
+        "drive/dummy_file_system.cc",
+        "drive/dummy_file_system.h",
+        "drive/fake_file_system.cc",
+        "drive/fake_file_system.h",
         "drive/fake_free_disk_space_getter.cc",
         "drive/fake_free_disk_space_getter.h",
         "drive/service/dummy_drive_service.cc",