chromium/components/page_load_metrics/browser/metrics_navigation_throttle.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 COMPONENTS_PAGE_LOAD_METRICS_BROWSER_METRICS_NAVIGATION_THROTTLE_H_
#define COMPONENTS_PAGE_LOAD_METRICS_BROWSER_METRICS_NAVIGATION_THROTTLE_H_

#include <memory>

#include "content/public/browser/navigation_throttle.h"

namespace page_load_metrics {

// This class is used to forward calls to the MetricsWebContentsObserver.
// Namely, WillStartRequest() is called on NavigationThrottles, but not on
// WebContentsObservers. Data from the NavigationHandle accessed at this point
// is used to obtain more reliable abort metrics (like page transition type).
class MetricsNavigationThrottle : public content::NavigationThrottle { … };

}  // namespace page_load_metrics

#endif  // COMPONENTS_PAGE_LOAD_METRICS_BROWSER_METRICS_NAVIGATION_THROTTLE_H_