Move browser-agnostic code from file_system_util to file_system_core_util.

chrome/browser/chromeos/drive/file_system.cc

 // Copyright (c) 2012 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/file_system.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/chromeos/drive/change_list_loader.h"
 #include "chrome/browser/chromeos/drive/directory_loader.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/drive_pref_names.h"
 #include "chrome/browser/chromeos/drive/file_cache.h"
 #include "chrome/browser/chromeos/drive/file_change.h"
 #include "chrome/browser/chromeos/drive/file_system/copy_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/create_directory_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/create_file_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/download_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/get_file_for_saving_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/move_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/open_file_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/remove_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/search_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/set_property_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/touch_operation.h"
 #include "chrome/browser/chromeos/drive/file_system/truncate_operation.h"
+#include "chrome/browser/chromeos/drive/file_system_core_util.h"
 #include "chrome/browser/chromeos/drive/file_system_observer.h"
-#include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/job_scheduler.h"
 #include "chrome/browser/chromeos/drive/remove_stale_cache_files.h"
 #include "chrome/browser/chromeos/drive/resource_entry_conversion.h"
 #include "chrome/browser/chromeos/drive/search_metadata.h"
 #include "chrome/browser/chromeos/drive/sync_client.h"
 #include "google_apis/drive/drive_api_parser.h"
 
 namespace drive {
 namespace {
 
@@ skipping 998 matching lines @@
     int64 num_bytes,
     const FreeDiskSpaceCallback& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(!callback.is_null());
   base::PostTaskAndReplyWithResult(
       blocking_task_runner_.get(), FROM_HERE,
       base::Bind(&FreeDiskSpaceIfNeededForOnBlockingPool, cache_, num_bytes),
       callback);
 }
 }  // namespace drive