chromium/chrome/browser/page_load_metrics/observers/document_write_page_load_metrics_observer.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 CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_DOCUMENT_WRITE_PAGE_LOAD_METRICS_OBSERVER_H_
#define CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_DOCUMENT_WRITE_PAGE_LOAD_METRICS_OBSERVER_H_

#include "components/page_load_metrics/browser/page_load_metrics_observer.h"

namespace internal {

// Expose metrics for tests.
extern const char kHistogramDocWriteParseStartToFirstContentfulPaint[];
extern const char kHistogramDocWriteBlockParseStartToFirstContentfulPaint[];

}  // namespace internal

class DocumentWritePageLoadMetricsObserver
    : public page_load_metrics::PageLoadMetricsObserver {};

#endif  // CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_DOCUMENT_WRITE_PAGE_LOAD_METRICS_OBSERVER_H_