top_level_trial_service.h | Explore in Territory

// 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 CHROME_BROWSER_TPCD_SUPPORT_TOP_LEVEL_TRIAL_SERVICE_H_
#define CHROME_BROWSER_TPCD_SUPPORT_TOP_LEVEL_TRIAL_SERVICE_H_

#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/keyed_service/core/keyed_service.h"
#include "content/public/browser/origin_trial_status_change_details.h"
#include "content/public/browser/origin_trials_controller_delegate.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"

OriginTrialStatusChangeDetails;

namespace tpcd::trial {

// StatusChange is basically the cross-product of the booleans indicating the
// (new) status of the trial and if the token affecting it matches subdomains.
// It's used in UMA enum histograms.
//
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class OriginTrialStatusChange { … };

// A profile-keyed service that maintains TPCD_TRIAL content settings based on
// the state of the associated origin trial for a given
// `origin`-`partition_site` pair.
class TopLevelTrialService
    : public content::OriginTrialsControllerDelegate::Observer,
      public KeyedService { … };

}  // namespace tpcd::trial

#endif  // CHROME_BROWSER_TPCD_SUPPORT_TOP_LEVEL_TRIAL_SERVICE_H_
chromium/chrome/browser/tpcd/support/top_level_trial_service.h
