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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.
#include "components/metrics/expired_histogram_util.h"
#include "base/feature_list.h"
#include "base/metrics/field_trial_params.h"
#include "base/metrics/statistics_recorder.h"
#include "components/metrics/expired_histograms_checker.h"
namespace metrics {
namespace {
const base::Feature kExpiredHistogramLogicFeature{
"ExpiredHistogramLogic", base::FEATURE_DISABLED_BY_DEFAULT};
const base::FeatureParam<std::string> kWhitelistParam{
&kExpiredHistogramLogicFeature, "whitelist", ""};
} // namespace
void EnableExpiryChecker(const uint64_t* expired_histograms_hashes,
size_t num_expired_histograms) {
DCHECK(base::FeatureList::GetInstance());
if (base::FeatureList::IsEnabled(kExpiredHistogramLogicFeature)) {
base::StatisticsRecorder::SetRecordChecker(
std::make_unique<ExpiredHistogramsChecker>(expired_histograms_hashes,
num_expired_histograms,
kWhitelistParam.Get()));
}
}
} // namespace metrics
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