chromium/components/page_load_metrics/browser/metrics_lifecycle_observer.h

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PAGE_LOAD_METRICS_BROWSER_METRICS_LIFECYCLE_OBSERVER_H_
#define COMPONENTS_PAGE_LOAD_METRICS_BROWSER_METRICS_LIFECYCLE_OBSERVER_H_

#include "components/page_load_metrics/browser/metrics_web_contents_observer.h"

#include "base/memory/raw_ptr.h"
#include "base/observer_list_types.h"
#include "content/public/browser/web_contents.h"

namespace page_load_metrics {

class PageLoadTracker;

// |MetricsLifecycleObserver| allows clients to observe lifecycle events for a
// given |MetricsWebContentsObserver|. It is only used in testing but will work
// as intended if used in production.
class MetricsLifecycleObserver : public base::CheckedObserver {};

}  // namespace page_load_metrics

#endif  // COMPONENTS_PAGE_LOAD_METRICS_BROWSER_METRICS_LIFECYCLE_OBSERVER_H_