message: Add new sync error codes
diff: @@ -517,7 +517,7 @@ void SyncSession::handle_error(SyncError error)
  case ProtocolError::bad_decompression:
  case ProtocolError::partial_sync_disabled:
  case ProtocolError::unsupported_session_feature:
  - // case ProtocolError::transact_before_upload:
  + case ProtocolError::transact_before_upload:
  break;
  // Session errors
  case ProtocolError::session_closed:
  @@ -597,8 +597,8 @@ void SyncSession::handle_error(SyncError error)
  case ClientError::ssl_server_cert_rejected:
  case ClientError::missing_protocol_feature:
  case ClientError::unknown_message:
  - // case ClientError::bad_serial_transact_status:
  - // case ClientError::bad_object_id_substitutions:
  + case ClientError::bad_serial_transact_status:
  + case ClientError::bad_object_id_substitutions:
  // Don't do anything special for these errors.
  // Future functionality may require special-case handling for existing
  // errors, or newly introduced error codes.
  