Move browser-agnostic code from file_system_util to file_system_core_util.

chrome/browser/chromeos/drive/sync/remove_performer_unittest.cc

 // 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 "chrome/browser/chromeos/drive/sync/remove_performer.h"
 
 #include "base/task_runner_util.h"
 #include "chrome/browser/chromeos/drive/file_system/operation_test_base.h"
-#include "chrome/browser/chromeos/drive/file_system_util.h"
+#include "chrome/browser/chromeos/drive/file_system_core_util.h"
 #include "chrome/browser/chromeos/drive/job_scheduler.h"
 #include "chrome/browser/chromeos/drive/resource_metadata.h"
 #include "chrome/browser/drive/fake_drive_service.h"
 #include "content/public/test/test_utils.h"
 #include "google_apis/drive/drive_api_parser.h"
 #include "google_apis/drive/test_util.h"
 
 namespace drive {
 namespace internal {
 
@@ skipping 170 matching lines @@
             GetLocalResourceEntryById(src_entry.local_id(), &result_entry));
   EXPECT_EQ(src_entry.parent_local_id(), result_entry.parent_local_id());
 
   ASSERT_EQ(1U, delegate()->drive_sync_errors().size());
   EXPECT_EQ(file_system::DRIVE_SYNC_ERROR_DELETE_WITHOUT_PERMISSION,
             delegate()->drive_sync_errors()[0]);
 }
 
 }  // namespace internal
 }  // namespace drive