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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_FEATURE_ENGAGEMENT_TRACKER_INTERNAL_NEVER_CONDITION_VALIDATOR_H_
#define COMPONENTS_FEATURE_ENGAGEMENT_TRACKER_INTERNAL_NEVER_CONDITION_VALIDATOR_H_
#include <unordered_set>
#include "base/macros.h"
#include "components/feature_engagement_tracker/internal/condition_validator.h"
#include "components/feature_engagement_tracker/internal/model.h"
namespace base {
struct Feature;
} // namespace base
namespace feature_engagement_tracker {
// An ConditionValidator that never acknowledges that a feature has met its
// conditions.
class NeverConditionValidator : public ConditionValidator {
public:
NeverConditionValidator();
~NeverConditionValidator() override;
// ConditionValidator implementation.
bool MeetsConditions(const base::Feature& feature,
const Model& model) override;
private:
DISALLOW_COPY_AND_ASSIGN(NeverConditionValidator);
};
} // namespace feature_engagement_tracker
#endif // COMPONENTS_FEATURE_ENGAGEMENT_TRACKER_INTERNAL_NEVER_CONDITION_VALIDATOR_H_
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