naiveproxy/components/metrics/public/interfaces/single_sample_metrics.mojom
2018-08-11 05:35:24 +00:00

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// Copyright 2017 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.
module metrics.mojom;
// See components/metrics/single_sample_metrics_factory_impl.h for details.
interface SingleSampleMetricsProvider {
// Returns a SingleSampleMetric.
//
// A single sample metric only reports its sample once at destruction time.
// The sample may be changed prior to destruction using the SetSample() method
// as many times as desired.
//
// See base/metrics/histograms.h for parameter definitions. |request| is the
// returned histogram.
AcquireSingleSampleMetric(string histogram_name, int32 min, int32 max,
uint32 bucket_count, int32 flags,
SingleSampleMetric& request);
};
interface SingleSampleMetric {
SetSample(int32 sample);
};