| // Copyright 2020 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef EXTENSIONS_COMMON_ACTIVATION_SEQUENCE_H_ |
| #define EXTENSIONS_COMMON_ACTIVATION_SEQUENCE_H_ |
| |
| #include "base/types/strong_alias.h" |
| |
| namespace extensions { |
| |
| // Unique identifier for an extension's activation->deactivation span. |
| // |
| // Applies to Service Worker based extensions. This is used to detect if a |
| // PendingTask for an extension expired at the time of executing the task, due |
| // to extension activation after deactivation. |
| using ActivationSequence = |
| ::base::StrongAlias<class ActivationSequenceTag, int>; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_COMMON_ACTIVATION_SEQUENCE_H_ |
