gdata: Add GDataDirectoryService::AddEntryToDirectory()

chrome/browser/chromeos/gdata/gdata_file_system_interface.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_INTERFACE_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_INTERFACE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 16 matching lines @@
 struct SearchResultInfo {
   SearchResultInfo(const FilePath& in_path, bool in_is_directory)
       : path(in_path),
         is_directory(in_is_directory) {
   }
 
   FilePath path;
   bool is_directory;
 };
 
-// Used for file operations like removing files.
-typedef base::Callback<void(GDataFileError error)>
-    FileOperationCallback;
-
 // Used to get files from the file system.
 typedef base::Callback<void(GDataFileError error,
                             const FilePath& file_path,
                             const std::string& mime_type,
                             GDataFileType file_type)> GetFileCallback;
 
 // Used to get entry info from the file system, with the gdata file path.
 // If |error| is not PLATFORM_FILE_OK, |file_info| is set to NULL.
 //
 // |gdata_file_path| parameter is provided as GDataEntryProto does not contain
@@ skipping 294 matching lines @@
                                const FilePath& virtual_dir_path,
                                scoped_ptr<DocumentEntry> entry,
                                const FilePath& file_content_path,
                                GDataCache::FileOperationType cache_operation,
                                const base::Closure& callback) = 0;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_INTERFACE_H_