Serialize/Deserialize support in HistogramBase

base/metrics/sample_map.cc

 // 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/sample_map.h"
 
 #include "base/logging.h"
 
 using std::map;
 
@@ skipping 26 matching lines @@
        ++it) {
     count += it->second;
   }
   return count;
 }
 
 scoped_ptr<SampleCountIterator> SampleMap::Iterator() const {
   return scoped_ptr<SampleCountIterator>(new SampleMapIterator(sample_counts_));
 }
 
-void SampleMap::ResetRedundantCount(Count count) {
-  IncreaseRedundantCount(-redundant_count());
-  IncreaseRedundantCount(count);
-}
-
 bool SampleMap::AddSubtractImpl(SampleCountIterator* iter,
                                 HistogramSamples::Operator op) {
   Sample min;
   Sample max;
   Count count;
   for (; !iter->Done(); iter->Next()) {
     iter->Get(&min, &max, &count);
     if (min + 1 != max)
       return false;  // SparseHistogram only supports bucket with size 1.
     sample_counts_[min] += (op ==  HistogramSamples::ADD) ? count : -count;
@@ skipping 20 matching lines @@
   DCHECK(!Done());
   if (min != NULL)
     *min = iter_->first;
   if (max != NULL)
     *max = iter_->first + 1;
   if (count != NULL)
     *count = iter_->second;
 }
 
 }  // namespace base