Add files to browser/sync.

chrome/browser/sync/auth_error_state.h

+// Copyright (c) 2006-2008 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_AUTH_ERROR_STATE_H_
+#define CHROME_BROWSER_SYNC_AUTH_ERROR_STATE_H_
+
+#include <string>
+#include "base/string_util.h"
+
+enum AuthErrorState {
+  AUTH_ERROR_NONE = 0,
+  // The credentials supplied to GAIA were either invalid, or the locally
+  // cached credentials have expired. If this happens, the sync system
+  // will continue as if offline until authentication is reattempted.
+  AUTH_ERROR_INVALID_GAIA_CREDENTIALS,
+  // The GAIA user is not authorized to use the sync service.
+  AUTH_ERROR_USER_NOT_SIGNED_UP,
+  // Could not connect to server to verify credentials. This could be in
+  // response to either failure to connect to GAIA or failure to connect to
+  // the service needing GAIA tokens during authentication.
+  AUTH_ERROR_CONNECTION_FAILED,
+};
+
+#endif  // CHROME_BROWSER_SYNC_AUTH_ERROR_STATE_H_