Consolidate serialization code in base::HistogramDeltasSerializer.

base/metrics/histogram_base.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/histogram_base.h"
 
 #include <climits>
 
 #include "base/json/json_string_value_serializer.h"
 #include "base/logging.h"
@@ skipping 40 matching lines @@
       return BooleanHistogram::DeserializeInfoImpl(iter);
     case CUSTOM_HISTOGRAM:
       return CustomHistogram::DeserializeInfoImpl(iter);
     case SPARSE_HISTOGRAM:
       return SparseHistogram::DeserializeInfoImpl(iter);
     default:
       return NULL;
   }
 }
 
-void DeserializeHistogramAndAddSamples(PickleIterator* iter) {
-  HistogramBase* histogram = DeserializeHistogramInfo(iter);
-  if (!histogram)
-    return;
-
-  if (histogram->flags() & base::HistogramBase::kIPCSerializationSourceFlag) {
-    DVLOG(1) << "Single process mode, histogram observed and not copied: "
-             << histogram->histogram_name();
-    return;
-  }
-  histogram->AddSamplesFromPickle(iter);
-}
-
-
 const HistogramBase::Sample HistogramBase::kSampleType_MAX = INT_MAX;
 
 HistogramBase::HistogramBase(const std::string& name)
     : histogram_name_(name),
       flags_(kNoFlags) {}
 
 HistogramBase::~HistogramBase() {}
 
 void HistogramBase::SetFlags(int32 flags) {
   flags_ |= flags;
@@ skipping 67 matching lines @@
   return result;
 }
 
 void HistogramBase::WriteAsciiBucketValue(Count current,
                                           double scaled_sum,
                                           std::string* output) const {
   StringAppendF(output, " (%d = %3.1f%%)", current, current/scaled_sum);
 }
 
 }  // namespace base