sync: move internal_api components used by chrome/browser into internal_api/public

sync/util/unrecoverable_error_info.h

Index: sync/util/unrecoverable_error_info.h
diff --git a/sync/util/unrecoverable_error_info.h b/sync/util/unrecoverable_error_info.h
deleted file mode 100644
index 64b780a56697156625d42f13b0440b73682826c4..0000000000000000000000000000000000000000
--- a/sync/util/unrecoverable_error_info.h
+++ /dev/null
@@ -1,41 +0,0 @@
-// Copyright (c) 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_UTIL_UNRECOVERABLE_ERROR_INFO_H_
-#define SYNC_UTIL_UNRECOVERABLE_ERROR_INFO_H_
-// TODO(lipalani): Figure out the right location for this class so it is
-// accessible outside of sync engine as well.
-#pragma once
-
-#include <string>
-
-#include "base/location.h"
-
-namespace browser_sync {
-
-class UnrecoverableErrorInfo {
- public:
-  UnrecoverableErrorInfo();
-  UnrecoverableErrorInfo(
-    const tracked_objects::Location& location,
-    const std::string& message);
-  ~UnrecoverableErrorInfo();
-
-  void Reset(const tracked_objects::Location& location,
-             const std::string& message);
-
-  bool IsSet() const;
-
-  const tracked_objects::Location& location() const;
-  const std::string& message() const;
-
- private:
-  tracked_objects::Location location_;
-  std::string message_;
-  bool is_set_;
-};
-
-}  // namespace browser_sync
-
-#endif  // SYNC_UTIL_UNRECOVERABLE_ERROR_INFO_H_