| // Copyright 2016 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 EXTENSIONS_COMMON_ALIAS_H_ |
| #define EXTENSIONS_COMMON_ALIAS_H_ |
| |
| namespace extensions { |
| |
| // Information about an alias. |
| // Main usage: describing aliases for extension features (extension permissions, |
| // APIs), which is useful for ensuring backward-compatibility of extension |
| // features when they get renamed. Old feature name can be defined as an alias |
| // for the new feature name - this would ensure that the extensions using the |
| // old feature name don't break. |
| struct Alias { |
| // This struct is meant to contain pointers to character string constants, |
| // so the lifetime of the pointer parameters should exceed that of the Alias |
| // instance. |
| constexpr Alias(const char* name, const char* real_name) |
| : name(name), real_name(real_name) {} |
| |
| // The alias name. |
| const char* name; |
| |
| // The real name behind the alias. |
| const char* real_name; |
| }; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_COMMON_ALIAS_H_ |