[SyncFS] Delete local file on rename and reorganize completion

chrome/browser/sync_file_system/drive_backend/drive_backend_util.h

 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_DRIVE_BACKEND_UTIL_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_DRIVE_BACKEND_UTIL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "webkit/common/blob/scoped_file.h"
 
@@ skipping 25 matching lines @@
 scoped_ptr<FileMetadata> CreateFileMetadataFromFileResource(
     int64 change_id,
     const google_apis::FileResource& resource);
 scoped_ptr<FileMetadata> CreateFileMetadataFromChangeResource(
     const google_apis::ChangeResource& change);
 
 // Creates a temporary file in |dir_path|.  This must be called on an
 // IO-allowed thread.
 webkit_blob::ScopedFile CreateTemporaryFile();
 
+bool HasFileAsParent(const FileDetails& details, const std::string& file_id);
+
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_DRIVE_BACKEND_UTIL_H_