Implement polling part of DriveFileSyncService

chrome/browser/sync_file_system/mock_remote_file_sync_service.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_SYNC_FILE_SYSTEM_MOCK_REMOTE_FILE_SYNC_SERVICE_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_MOCK_REMOTE_FILE_SYNC_SERVICE_H_
 
 #include <map>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 31 matching lines @@
                void(const GURL& origin,
                     const fileapi::SyncFileSetCallback& callback));
   MOCK_METHOD2(GetRemoteFileMetadata,
                void(const fileapi::FileSystemURL& url,
                     const fileapi::SyncFileMetadataCallback& callback));
   MOCK_CONST_METHOD0(GetCurrentState,
                      RemoteServiceState());
 
   // Send notifications to the observers.
   // Can be used in the mock implementation.
-  void NotifyRemoteChangeAvailable(int64 pending_changes);
+  void NotifyRemoteChangeQueueUpdated(int64 pending_changes);
   void NotifyRemoteServiceStateUpdated(
       RemoteServiceState state,
       const std::string& description);
 
   // Sets a mock local change processor. The value is returned by
   // the default action for GetLocalChangeProcessor.
   // Sets conflict file information.  The information is returned by
   // the default action for GetConflictFiles and GetRemoteConflictFileInfo.
   void add_conflict_file(const fileapi::FileSystemURL& url,
                          const fileapi::SyncFileMetadata& metadata) {
@@ skipping 36 matching lines @@
   MockLocalChangeProcessor mock_local_change_processor_;
 
   ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(MockRemoteFileSyncService);
 };
 
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_MOCK_REMOTE_FILE_SYNC_SERVICE_H_