Port IndexedDB open() and database callbacks to Mojo.

content/browser/indexed_db/indexed_db_database_error.h

-// Copyright (c) 2013 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 CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_ERROR_H_
-#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_ERROR_H_
-
-#include <stdint.h>
-
-#include "base/strings/string16.h"
-#include "base/strings/utf_string_conversions.h"
-
-namespace content {
-
-class IndexedDBDatabaseError {
- public:
-  IndexedDBDatabaseError();
-  explicit IndexedDBDatabaseError(uint16_t code);
-  IndexedDBDatabaseError(uint16_t code, const char* message);
-  IndexedDBDatabaseError(uint16_t code, const base::string16& message);
-  ~IndexedDBDatabaseError();
-
-  IndexedDBDatabaseError& operator=(const IndexedDBDatabaseError& rhs);
-
-  uint16_t code() const { return code_; }
-  const base::string16& message() const { return message_; }
-
- private:
-  uint16_t code_ = 0;
-  base::string16 message_;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_ERROR_H_