chromium/components/page_load_metrics/google/browser/gws_abandoned_page_load_metrics_observer.h

// Copyright 2024 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_GOOGLE_BROWSER_GWS_ABANDONED_PAGE_LOAD_METRICS_OBSERVER_H_
#define COMPONENTS_PAGE_LOAD_METRICS_GOOGLE_BROWSER_GWS_ABANDONED_PAGE_LOAD_METRICS_OBSERVER_H_

#include "components/page_load_metrics/browser/observers/abandoned_page_load_metrics_observer.h"
#include "components/page_load_metrics/browser/page_load_metrics_observer.h"
#include "content/public/browser/navigation_handle_timing.h"

namespace internal {
// Exposed for tests.
extern const char kGWSAbandonedPageLoadMetricsHistogramPrefix[];
extern const char kSuffixWasNonSRP[];

extern const char kGwsAFTStartMarkName[];
extern const char kGwsAFTEndMarkName[];
extern const char kGwsHeaderChunkStartMarkName[];
extern const char kGwsHeaderChunkEndMarkName[];
extern const char kGwsBodyChunkStartMarkName[];
extern const char kGwsBodyChunkEndMarkName[];
}  // namespace internal

// Observes and records UMA for navigations to GWS which might or might get
// "abandoned" at some point during the navigation / loading. Different from
// AbandonedPageLoadMetricsObserver, this will only observe navigations that
// target GWS (either from the start or after redirections).
class GWSAbandonedPageLoadMetricsObserver
    : public AbandonedPageLoadMetricsObserver { … };

#endif  // COMPONENTS_PAGE_LOAD_METRICS_GOOGLE_BROWSER_GWS_ABANDONED_PAGE_LOAD_METRICS_OBSERVER_H_