123456789101112131415161718192021222324252627 |
- // Copyright 2014 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 BASE_METRICS_USER_METRICS_ACTION_H_
- #define BASE_METRICS_USER_METRICS_ACTION_H_
- namespace base {
- // UserMetricsAction exists purely to standardize on the parameters passed to
- // UserMetrics. That way, our toolset can scan the source code reliable for
- // constructors and extract the associated string constants.
- // WARNING: When using UserMetricsAction you should use a string literal
- // parameter e.g.
- // RecordAction(UserMetricsAction("my action name"));
- // This ensures that our processing scripts can associate this action's hash
- // with its metric name. Therefore, it will be possible to retrieve the metric
- // name from the hash later on.
- // Please see tools/metrics/actions/extract_actions.py for details.
- struct UserMetricsAction {
- const char* str_;
- explicit constexpr UserMetricsAction(const char* str) noexcept : str_(str) {}
- };
- } // namespace base
- #endif // BASE_METRICS_USER_METRICS_ACTION_H_
|