chromium/content/browser/metrics/histograms_monitor.h

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_METRICS_HISTOGRAMS_MONITOR_H_
#define CONTENT_BROWSER_METRICS_HISTOGRAMS_MONITOR_H_

#include <map>
#include <string_view>

#include "base/metrics/histogram_samples.h"
#include "base/metrics/statistics_recorder.h"
#include "content/common/content_export.h"

namespace content {

// This class handles the monitoring feature of chrome://histograms page,
// which allows the page to be updated with histograms logged since the
// monitoring started.
//
// Note that this class does not handle merging histograms from any
// |HistogramProvider| instances. It also does not handle synchronizing
// histograms from subprocesses. The caller has the responsibility for these
// beforehand.
class CONTENT_EXPORT HistogramsMonitor { … };

}  // namespace content

#endif  // CONTENT_BROWSER_METRICS_HISTOGRAMS_MONITOR_H_