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

// Copyright 2017 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_LOADING_PREDICTOR_PAGE_LOAD_METRICS_OBSERVER_H_
#define CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_LOADING_PREDICTOR_PAGE_LOAD_METRICS_OBSERVER_H_

#include <memory>
#include "base/memory/raw_ptr.h"
#include "components/page_load_metrics/browser/page_load_metrics_observer.h"

namespace content {
class WebContents;
}

namespace predictors {
class ResourcePrefetchPredictor;
class LoadingPredictorTabHelper;
}

namespace internal {

extern const char
    kHistogramLoadingPredictorFirstContentfulPaintPreconnectable[];
extern const char
    kHistogramLoadingPredictorFirstMeaningfulPaintPreconnectable[];

}  // namespace internal

// Observer responsible for recording page load metrics relevant to
// ResourcePrefetchPredictor.
class LoadingPredictorPageLoadMetricsObserver
    : public page_load_metrics::PageLoadMetricsObserver { … };

#endif  // CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_LOADING_PREDICTOR_PAGE_LOAD_METRICS_OBSERVER_H_