chromium/components/page_load_metrics/browser/observers/performance_manager_metrics_observer.h

// Copyright 2024 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_OBSERVERS_PERFORMANCE_MANAGER_METRICS_OBSERVER_H_
#define COMPONENTS_PAGE_LOAD_METRICS_BROWSER_OBSERVERS_PERFORMANCE_MANAGER_METRICS_OBSERVER_H_

#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/time/time.h"
#include "components/page_load_metrics/browser/page_load_metrics_observer.h"
#include "components/page_load_metrics/common/page_load_metrics.mojom-forward.h"

class GURL;

namespace content {
class NavigationHandle;
}  // namespace content

namespace performance_manager {
class PageNode;
}

// Logs UMA about the timing of PerformanceManager's LoadingState transitions.
class PerformanceManagerMetricsObserver
    : public page_load_metrics::PageLoadMetricsObserver { … };

#endif  // COMPONENTS_PAGE_LOAD_METRICS_BROWSER_OBSERVERS_PERFORMANCE_MANAGER_METRICS_OBSERVER_H_