// 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 #include 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_