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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 uint64_t* expired_histograms_hashes,
size_t num_expired_histograms);
} // namespace metrics
#endif // COMPONENTS_METRICS_EXPIRED_HISTOGRAM_UTIL_H_
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