Move base to DEPS

base/metrics/sample_map.h

-// Copyright (c) 2012 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.
-
-// SampleMap implements HistogramSamples interface. It is used by the
-// SparseHistogram class to store samples.
-
-#ifndef BASE_METRICS_SAMPLE_MAP_H_
-#define BASE_METRICS_SAMPLE_MAP_H_
-
-#include <map>
-
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/metrics/histogram_base.h"
-#include "base/metrics/histogram_samples.h"
-
-namespace base {
-
-class BASE_EXPORT_PRIVATE SampleMap : public HistogramSamples {
- public:
-  SampleMap();
-  ~SampleMap() override;
-
-  // HistogramSamples implementation:
-  void Accumulate(HistogramBase::Sample value,
-                  HistogramBase::Count count) override;
-  HistogramBase::Count GetCount(HistogramBase::Sample value) const override;
-  HistogramBase::Count TotalCount() const override;
-  scoped_ptr<SampleCountIterator> Iterator() const override;
-
- protected:
-  bool AddSubtractImpl(
-      SampleCountIterator* iter,
-      HistogramSamples::Operator op) override;  // |op| is ADD or SUBTRACT.
-
- private:
-  std::map<HistogramBase::Sample, HistogramBase::Count> sample_counts_;
-
-  DISALLOW_COPY_AND_ASSIGN(SampleMap);
-};
-
-class BASE_EXPORT_PRIVATE SampleMapIterator : public SampleCountIterator {
- public:
-  typedef std::map<HistogramBase::Sample, HistogramBase::Count>
-      SampleToCountMap;
-
-  explicit SampleMapIterator(const SampleToCountMap& sample_counts);
-  ~SampleMapIterator() override;
-
-  // SampleCountIterator implementation:
-  bool Done() const override;
-  void Next() override;
-  void Get(HistogramBase::Sample* min,
-           HistogramBase::Sample* max,
-           HistogramBase::Count* count) const override;
-
- private:
-  void SkipEmptyBuckets();
-
-  SampleToCountMap::const_iterator iter_;
-  const SampleToCountMap::const_iterator end_;
-};
-
-}  // namespace base
-
-#endif  // BASE_METRICS_SAMPLE_MAP_H_