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- // Copyright 2018 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 COMPONENTS_METRICS_EXPIRED_HISTOGRAM_UTIL_H_
- #define COMPONENTS_METRICS_EXPIRED_HISTOGRAM_UTIL_H_
- #include <stddef.h>
- #include <stdint.h>
- namespace metrics {
- // Enables histogram expiry checker if it is enabled by field trial. Histogram
- // expiry is disbaled by default so that unit tests don't fail unexpectedly when
- // a histogram expires.
- void EnableExpiryChecker(const uint32_t* expired_histograms_hashes,
- size_t num_expired_histograms);
- } // namespace metrics
- #endif // COMPONENTS_METRICS_EXPIRED_HISTOGRAM_UTIL_H_
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