Comment objectType field of ApplicationResource, resolving TODO

chrome/browser/chromeos/gdata/gdata_file_system.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_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 769 matching lines @@
       const GDataEntryProto* entry_proto);
 
   // Called when GDataCache::GetFileOnUIThread() is completed for
   // UpdateFileByResourceId().
   void OnGetFileCompleteForUpdateFile(
       const FileOperationCallback& callback,
       GDataFileError error,
       const std::string& resource_id,
       const std::string& md5,
       const FilePath& cache_file_path);
+
   // Callback for getting the size of the cache file in the blocking pool.
   void OnGetFileSizeCompleteForUpdateFile(
       const FileOperationCallback& callback,
       const std::string& resource_id,
       const std::string& md5,
       const FilePath& cache_file_path,
       GDataFileError* error,
       int64* file_size);
+
   // Callback for GDataRootDirectory::GetEntryByResourceIdAsync.
   void OnGetFileCompleteForUpdateFileByEntry(
     const FileOperationCallback& callback,
     const std::string& md5,
     int64 file_size,
     const FilePath& cache_file_path,
     GDataEntry* entry);
 
-
   // Called when GDataUploader::UploadUpdatedFile() is completed for
   // UpdateFileByResourceId().
   void OnUpdatedFileUploaded(
     const FileOperationCallback& callback,
     GDataFileError error,
     scoped_ptr<UploadFileInfo> upload_file_info);
 
   // The following functions are used to forward calls to asynchronous public
   // member functions to UI thread.
   void SearchAsyncOnUIThread(const std::string& search_query,
@@ skipping 145 matching lines @@
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<GDataFileSystem> ui_weak_ptr_factory_;
   // Unlike other classes, we need this as we need this to redirect a task
   // from IO thread to UI thread.
   base::WeakPtr<GDataFileSystem> ui_weak_ptr_;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_