chromium/chrome/browser/metrics/desktop_session_duration/audible_contents_tracker.h

// Copyright 2016 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_DESKTOP_SESSION_DURATION_AUDIBLE_CONTENTS_TRACKER_H_
#define CHROME_BROWSER_METRICS_DESKTOP_SESSION_DURATION_AUDIBLE_CONTENTS_TRACKER_H_

#include <set>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/browser_list_observer.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"

namespace metrics {

// BrowserList / TabStripModelObserver used for tracking audio status.
// TODO(chrisha): Migrate this entire thing to use RecentlyAudibleHelper
// notifications rather then TabStripModel notifications.
// https://crbug.com/846374
class AudibleContentsTracker : public BrowserListObserver,
                               public TabStripModelObserver { … };

}  // namespace metrics

#endif  // CHROME_BROWSER_METRICS_DESKTOP_SESSION_DURATION_AUDIBLE_CONTENTS_TRACKER_H_