FetchChangesForIncrementalSync 1206 chrome/browser/sync_file_system/drive_backend_v1/drive_file_sync_service.cc         base::Bind(&DriveFileSyncService::FetchChangesForIncrementalSync,
FetchChangesForIncrementalSync  315 chrome/browser/sync_file_system/drive_backend_v1/drive_file_sync_service.h   void FetchChangesForIncrementalSync(const SyncStatusCallback& callback);