chromium/components/page_load_metrics/browser/observers/page_load_metrics_observer_content_test_harness.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 COMPONENTS_PAGE_LOAD_METRICS_BROWSER_OBSERVERS_PAGE_LOAD_METRICS_OBSERVER_CONTENT_TEST_HARNESS_H_
#define COMPONENTS_PAGE_LOAD_METRICS_BROWSER_OBSERVERS_PAGE_LOAD_METRICS_OBSERVER_CONTENT_TEST_HARNESS_H_

#include <memory>

#include "base/memory/raw_ptr.h"
#include "base/test/scoped_feature_list.h"
#include "components/page_load_metrics/browser/metrics_navigation_throttle.h"
#include "components/page_load_metrics/browser/observers/page_load_metrics_observer_tester.h"
#include "components/page_load_metrics/browser/page_load_metrics_observer.h"
#include "components/page_load_metrics/browser/page_load_metrics_test_content_browser_client.h"
#include "content/public/test/test_renderer_host.h"

namespace page_load_metrics {

class PageLoadTracker;

// This class can be used to drive tests of PageLoadMetricsObservers in
// components. To hook up an observer, override RegisterObservers and call
// tracker->AddObserver. This will attach the observer to all main frame
// navigations.
//
// Refer to PageLoadMetricsObserverTesterInterface for the methods the can be
// used in test.
class PageLoadMetricsObserverContentTestHarness
    : public content::RenderViewHostTestHarness { … };

}  // namespace page_load_metrics

#endif  // COMPONENTS_PAGE_LOAD_METRICS_BROWSER_OBSERVERS_PAGE_LOAD_METRICS_OBSERVER_CONTENT_TEST_HARNESS_H_