chromium/chrome/browser/page_load_metrics/observers/prefetch_page_load_metrics_observer.h

// Copyright 2019 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_PAGE_LOAD_METRICS_OBSERVERS_PREFETCH_PAGE_LOAD_METRICS_OBSERVER_H_
#define CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_PREFETCH_PAGE_LOAD_METRICS_OBSERVER_H_

#include <optional>

#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/task/cancelable_task_tracker.h"
#include "base/time/time.h"
#include "components/history/core/browser/history_types.h"
#include "components/page_load_metrics/browser/page_load_metrics_observer.h"
#include "content/public/browser/prefetch_metrics.h"
#include "net/cookies/canonical_cookie.h"
#include "url/gurl.h"

namespace content {
class NavigationHandle;
}  // namespace content

// Records metrics related to loading of speculation rules prefetch. See
// //content/browser/preloading/prefetch/
class PrefetchPageLoadMetricsObserver
    : public page_load_metrics::PageLoadMetricsObserver { … };

#endif  // CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_PREFETCH_PAGE_LOAD_METRICS_OBSERVER_H_