chromium/components/metrics/histogram_subscriber.h

// Copyright 2012 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_HISTOGRAM_SUBSCRIBER_H_
#define COMPONENTS_METRICS_HISTOGRAM_SUBSCRIBER_H_

#include <string>
#include <vector>

namespace metrics {

// Objects interested in receiving histograms derive from HistogramSubscriber.
class HistogramSubscriber { … };

}  // namespace metrics

#endif  // COMPONENTS_METRICS_HISTOGRAM_SUBSCRIBER_H_