chromium/components/background_sync/background_sync_metrics.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_BACKGROUND_SYNC_BACKGROUND_SYNC_METRICS_H_
#define COMPONENTS_BACKGROUND_SYNC_BACKGROUND_SYNC_METRICS_H_

#include <optional>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "third_party/blink/public/common/service_worker/service_worker_status_code.h"

namespace {
// Exponential bucket spacing for UKM event data.
constexpr double kUkmEventDataBucketSpacing = …;
}  // namespace

namespace background_sync {
class BackgroundSyncDelegate;
}  // namespace background_sync

namespace url {
class Origin;
}  // namespace url

// Lives entirely on the UI thread.
class BackgroundSyncMetrics { … };

#endif  // COMPONENTS_BACKGROUND_SYNC_BACKGROUND_SYNC_METRICS_H_