Move base to DEPS

base/metrics/histogram_samples.cc

Index: base/metrics/histogram_samples.cc
diff --git a/base/metrics/histogram_samples.cc b/base/metrics/histogram_samples.cc
deleted file mode 100644
index f5e03b979e110cbf297e27ab278225965141a1eb..0000000000000000000000000000000000000000
--- a/base/metrics/histogram_samples.cc
+++ /dev/null
@@ -1,138 +0,0 @@
-// 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.
-
-#include "base/metrics/histogram_samples.h"
-
-#include "base/compiler_specific.h"
-#include "base/pickle.h"
-
-namespace base {
-
-namespace {
-
-class SampleCountPickleIterator : public SampleCountIterator {
- public:
-  explicit SampleCountPickleIterator(PickleIterator* iter);
-
-  bool Done() const override;
-  void Next() override;
-  void Get(HistogramBase::Sample* min,
-           HistogramBase::Sample* max,
-           HistogramBase::Count* count) const override;
-
- private:
-  PickleIterator* const iter_;
-
-  HistogramBase::Sample min_;
-  HistogramBase::Sample max_;
-  HistogramBase::Count count_;
-  bool is_done_;
-};
-
-SampleCountPickleIterator::SampleCountPickleIterator(PickleIterator* iter)
-    : iter_(iter),
-      is_done_(false) {
-  Next();
-}
-
-bool SampleCountPickleIterator::Done() const {
-  return is_done_;
-}
-
-void SampleCountPickleIterator::Next() {
-  DCHECK(!Done());
-  if (!iter_->ReadInt(&min_) ||
-      !iter_->ReadInt(&max_) ||
-      !iter_->ReadInt(&count_))
-    is_done_ = true;
-}
-
-void SampleCountPickleIterator::Get(HistogramBase::Sample* min,
-                                    HistogramBase::Sample* max,
-                                    HistogramBase::Count* count) const {
-  DCHECK(!Done());
-  *min = min_;
-  *max = max_;
-  *count = count_;
-}
-
-}  // namespace
-
-HistogramSamples::HistogramSamples() : sum_(0), redundant_count_(0) {}
-
-HistogramSamples::~HistogramSamples() {}
-
-void HistogramSamples::Add(const HistogramSamples& other) {
-  sum_ += other.sum();
-  HistogramBase::Count old_redundant_count =
-      subtle::NoBarrier_Load(&redundant_count_);
-  subtle::NoBarrier_Store(&redundant_count_,
-      old_redundant_count + other.redundant_count());
-  bool success = AddSubtractImpl(other.Iterator().get(), ADD);
-  DCHECK(success);
-}
-
-bool HistogramSamples::AddFromPickle(PickleIterator* iter) {
-  int64 sum;
-  HistogramBase::Count redundant_count;
-
-  if (!iter->ReadInt64(&sum) || !iter->ReadInt(&redundant_count))
-    return false;
-  sum_ += sum;
-  HistogramBase::Count old_redundant_count =
-      subtle::NoBarrier_Load(&redundant_count_);
-  subtle::NoBarrier_Store(&redundant_count_,
-                          old_redundant_count + redundant_count);
-
-  SampleCountPickleIterator pickle_iter(iter);
-  return AddSubtractImpl(&pickle_iter, ADD);
-}
-
-void HistogramSamples::Subtract(const HistogramSamples& other) {
-  sum_ -= other.sum();
-  HistogramBase::Count old_redundant_count =
-      subtle::NoBarrier_Load(&redundant_count_);
-  subtle::NoBarrier_Store(&redundant_count_,
-                          old_redundant_count - other.redundant_count());
-  bool success = AddSubtractImpl(other.Iterator().get(), SUBTRACT);
-  DCHECK(success);
-}
-
-bool HistogramSamples::Serialize(Pickle* pickle) const {
-  if (!pickle->WriteInt64(sum_) ||
-      !pickle->WriteInt(subtle::NoBarrier_Load(&redundant_count_)))
-    return false;
-
-  HistogramBase::Sample min;
-  HistogramBase::Sample max;
-  HistogramBase::Count count;
-  for (scoped_ptr<SampleCountIterator> it = Iterator();
-       !it->Done();
-       it->Next()) {
-    it->Get(&min, &max, &count);
-    if (!pickle->WriteInt(min) ||
-        !pickle->WriteInt(max) ||
-        !pickle->WriteInt(count))
-      return false;
-  }
-  return true;
-}
-
-void HistogramSamples::IncreaseSum(int64 diff) {
-  sum_ += diff;
-}
-
-void HistogramSamples::IncreaseRedundantCount(HistogramBase::Count diff) {
-  subtle::NoBarrier_Store(&redundant_count_,
-      subtle::NoBarrier_Load(&redundant_count_) + diff);
-}
-
-SampleCountIterator::~SampleCountIterator() {}
-
-bool SampleCountIterator::GetBucketIndex(size_t* index) const {
-  DCHECK(!Done());
-  return false;
-}
-
-}  // namespace base