hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
// Copyright 2023 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_METRICS_PERSISTENT_SYNTHETIC_TRIAL_OBSERVER_H_
|
|
#define COMPONENTS_METRICS_PERSISTENT_SYNTHETIC_TRIAL_OBSERVER_H_
|
|
|
|
#include "base/task/sequenced_task_runner.h"
|
|
#include "components/variations/synthetic_trials.h"
|
|
|
|
namespace metrics {
|
|
|
|
// Stores synthetic field trials to persistent storage when they are updated.
|
|
class PersistentSyntheticTrialObserver
|
|
: public variations::SyntheticTrialObserver {
|
|
public:
|
|
PersistentSyntheticTrialObserver();
|
|
~PersistentSyntheticTrialObserver() override;
|
|
|
|
PersistentSyntheticTrialObserver(const PersistentSyntheticTrialObserver&) =
|
|
delete;
|
|
PersistentSyntheticTrialObserver& operator=(
|
|
const PersistentSyntheticTrialObserver&) = delete;
|
|
|
|
// SyntheticTrialObserver impl:
|
|
void OnSyntheticTrialsChanged(
|
|
const std::vector<variations::SyntheticTrialGroup>& trials_updated,
|
|
const std::vector<variations::SyntheticTrialGroup>& trials_removed,
|
|
const std::vector<variations::SyntheticTrialGroup>& groups) override;
|
|
|
|
private:
|
|
scoped_refptr<base::SequencedTaskRunner> task_runner_;
|
|
};
|
|
|
|
} // namespace metrics
|
|
|
|
#endif // COMPONENTS_METRICS_PERSISTENT_SYNTHETIC_TRIAL_OBSERVER_H_
|