chromium/chrome/browser/metrics/usage_scenario/tab_usage_scenario_tracker.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 CHROME_BROWSER_METRICS_USAGE_SCENARIO_TAB_USAGE_SCENARIO_TRACKER_H_
#define CHROME_BROWSER_METRICS_USAGE_SCENARIO_TAB_USAGE_SCENARIO_TRACKER_H_

#include <optional>

#include "base/containers/flat_set.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/metrics/tab_stats/tab_stats_observer.h"
#include "chrome/browser/metrics/usage_scenario/usage_scenario_data_store.h"
#include "content/public/browser/visibility.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "ui/display/display_observer.h"
#include "url/origin.h"

namespace content {
class WebContents;
}  // namespace content

namespace metrics {

// Used to relay information gathered from TabStatsTracker to
// UsageScenarioDataStore. No information is stored in this class.
class TabUsageScenarioTracker : public TabStatsObserver,
                                public display::DisplayObserver { … };

}  // namespace metrics

#endif  // CHROME_BROWSER_METRICS_USAGE_SCENARIO_TAB_USAGE_SCENARIO_TRACKER_H_