[Sync] Move //sync to //components/sync.

sync/internal_api/public/util/syncer_error.h

-// Copyright 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 SYNC_INTERNAL_API_PUBLIC_UTIL_SYNCER_ERROR_H_
-#define SYNC_INTERNAL_API_PUBLIC_UTIL_SYNCER_ERROR_H_
-
-#include "sync/base/sync_export.h"
-
-namespace syncer {
-
-// This enum describes all the possible results of a sync cycle.
-enum SyncerError {
-  UNSET = 0,       // Default value.
-  CANNOT_DO_WORK,  // A model worker could not process a work item.
-
-  NETWORK_CONNECTION_UNAVAILABLE,  // Connectivity failure.
-  NETWORK_IO_ERROR,                // Response buffer read error.
-  SYNC_SERVER_ERROR,               // Non auth HTTP error.
-  SYNC_AUTH_ERROR,                 // HTTP auth error.
-
-  // Based on values returned by server.  Most are defined in sync.proto.
-  SERVER_RETURN_INVALID_CREDENTIAL,
-  SERVER_RETURN_UNKNOWN_ERROR,
-  SERVER_RETURN_THROTTLED,
-  SERVER_RETURN_TRANSIENT_ERROR,
-  SERVER_RETURN_MIGRATION_DONE,
-  SERVER_RETURN_CLEAR_PENDING,
-  SERVER_RETURN_NOT_MY_BIRTHDAY,
-  SERVER_RETURN_CONFLICT,
-  SERVER_RESPONSE_VALIDATION_FAILED,
-  SERVER_RETURN_DISABLED_BY_ADMIN,
-  SERVER_RETURN_USER_ROLLBACK,
-  SERVER_RETURN_PARTIAL_FAILURE,
-  SERVER_RETURN_CLIENT_DATA_OBSOLETE,
-
-  // A datatype decided the sync cycle needed to be performed again.
-  DATATYPE_TRIGGERED_RETRY,
-
-  SERVER_MORE_TO_DOWNLOAD,
-
-  SYNCER_OK
-};
-
-SYNC_EXPORT const char* GetSyncerErrorString(SyncerError);
-
-// Helper to check that |error| is set to something (not UNSET) and is not
-// SYNCER_OK.
-bool SyncerErrorIsError(SyncerError error);
-
-}  // namespace syncer
-
-#endif  // SYNC_INTERNAL_API_PUBLIC_UTIL_SYNCER_ERROR_H_