gdata: Remove NotifyDirectoryChanged() and NotifyDocumentFeedFetched()

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 590 matching lines @@
   void LoadRootFeedFromCache(bool should_load_from_server,
                              const FilePath& search_file_path,
                              const FindEntryCallback& callback);
 
   // Callback for handling root directory refresh from the cache.
   void OnProtoLoaded(LoadRootFeedParams* params);
 
   // Save filesystem as proto file.
   void SaveFileSystemAsProto();
 
-  // Notifies events to observers on UI thread.
-  void NotifyDirectoryChanged(const FilePath& directory_path);
-  void NotifyDocumentFeedFetched(int num_accumulated_entries);
-
   // Runs the callback and notifies that the initial load is finished.
   void RunAndNotifyInitialLoadFinished(
     const FindEntryCallback& callback,
     GDataFileError error,
     GDataEntry* entry);
 
   // Helper function that completes bookkeeping tasks related to
   // completed file transfer.
   void OnTransferCompleted(
       const FileOperationCallback& callback,
@@ skipping 258 matching lines @@
   base::WeakPtr<GDataFileSystem> ui_weak_ptr_;
 
   ObserverList<Observer> observers_;
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_