chromium/content/browser/background_fetch/background_fetch_metrics.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/background_fetch/background_fetch_metrics.h"

#include "base/metrics/histogram_macros.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/browser_thread.h"
#include "services/metrics/public/cpp/metrics_utils.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"

namespace content {
namespace background_fetch {

// Exponential bucket spacing for UKM event data.
const double kUkmEventDataBucketSpacing = …;

void RecordBackgroundFetchUkmEvent(
    const blink::StorageKey& storage_key,
    int requests_size,
    blink::mojom::BackgroundFetchOptionsPtr options,
    const SkBitmap& icon,
    blink::mojom::BackgroundFetchUkmDataPtr ukm_data,
    RenderFrameHostImpl* rfh,
    BackgroundFetchPermission permission) { … }

}  // namespace background_fetch
}  // namespace content