// Copyright 2014 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "components/metrics/histogram_encoder.h" #include <memory> #include <string> #include "base/metrics/histogram.h" #include "base/metrics/histogram_samples.h" #include "base/metrics/metrics_hashes.h" SampleCountIterator; namespace metrics { void EncodeHistogramDelta(const std::string& histogram_name, const base::HistogramSamples& snapshot, ChromeUserMetricsExtension* uma_proto) { … } } // namespace metrics