SyncFileStatusCallback 349 chrome/browser/sync_file_system/sync_file_system_service.cc const FileSystemURL& url, const SyncFileStatusCallback& callback) { SyncFileStatusCallback 560 chrome/browser/sync_file_system/sync_file_system_service.cc const SyncFileStatusCallback& callback, SyncFileStatusCallback 69 chrome/browser/sync_file_system/sync_file_system_service.h const SyncFileStatusCallback& callback); SyncFileStatusCallback 110 chrome/browser/sync_file_system/sync_file_system_service.h void DidGetLocalChangeStatus(const SyncFileStatusCallback& callback,