Clean up ARC file system unit tests.

chrome/browser/chromeos/BUILD.gn

Index: chrome/browser/chromeos/BUILD.gn
diff --git a/chrome/browser/chromeos/BUILD.gn b/chrome/browser/chromeos/BUILD.gn
index f61d1bb74644be762ba39838d69f4dbcb6ddbc7b..1f8e69f4b9a275ea8836d50f47653118db61d466 100644
--- a/chrome/browser/chromeos/BUILD.gn
+++ b/chrome/browser/chromeos/BUILD.gn
@@ -252,8 +252,6 @@ source_set("chromeos") {
     "arc/fileapi/arc_content_file_system_file_stream_reader.h",
     "arc/fileapi/arc_content_file_system_url_util.cc",
     "arc/fileapi/arc_content_file_system_url_util.h",
-    "arc/fileapi/arc_deferred_file_system_operation_runner.cc",
-    "arc/fileapi/arc_deferred_file_system_operation_runner.h",
     "arc/fileapi/arc_documents_provider_async_file_util.cc",
     "arc/fileapi/arc_documents_provider_async_file_util.h",
     "arc/fileapi/arc_documents_provider_backend_delegate.cc",
@@ -266,6 +264,8 @@ source_set("chromeos") {
     "arc/fileapi/arc_documents_provider_root_map.h",
     "arc/fileapi/arc_documents_provider_util.cc",
     "arc/fileapi/arc_documents_provider_util.h",
+    "arc/fileapi/arc_file_system_operation_runner.cc",
+    "arc/fileapi/arc_file_system_operation_runner.h",
     "arc/fileapi/arc_file_system_operation_runner_util.cc",
     "arc/fileapi/arc_file_system_operation_runner_util.h",
     "arc/fileapi/arc_file_system_service.cc",
@@ -1478,9 +1478,9 @@ source_set("unit_tests") {
     "arc/fileapi/arc_content_file_system_async_file_util_unittest.cc",
     "arc/fileapi/arc_content_file_system_file_stream_reader_unittest.cc",
     "arc/fileapi/arc_content_file_system_url_util_unittest.cc",
-    "arc/fileapi/arc_deferred_file_system_operation_runner_unittest.cc",
     "arc/fileapi/arc_documents_provider_root_unittest.cc",
     "arc/fileapi/arc_documents_provider_util_unittest.cc",
+    "arc/fileapi/arc_file_system_operation_runner_unittest.cc",
     "arc/intent_helper/arc_external_protocol_dialog_unittest.cc",
     "arc/intent_helper/arc_navigation_throttle_unittest.cc",
     "arc/optin/arc_terms_of_service_default_negotiator_unittest.cc",