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28 lines
824 B
C++
28 lines
824 B
C++
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_METRICS_RECORD_HISTOGRAM_CHECKER_H_
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#define BASE_METRICS_RECORD_HISTOGRAM_CHECKER_H_
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#include <stdint.h>
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#include "base/base_export.h"
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namespace base {
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// RecordHistogramChecker provides an interface for checking whether
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// the given histogram should be recorded.
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class BASE_EXPORT RecordHistogramChecker {
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public:
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virtual ~RecordHistogramChecker() {}
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// Returns true iff the given histogram should be recorded.
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// This method may be called on any thread, so it should not mutate any state.
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virtual bool ShouldRecord(uint64_t histogram_hash) const = 0;
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};
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} // namespace base
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#endif // BASE_METRICS_RECORD_HISTOGRAM_CHECKER_H_
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