974   DCHECK(!histograms_);  in StatisticsRecorder()
985   histograms_ = new HistogramMap;  in StatisticsRecorder()
989   DCHECK(histograms_ && lock_);  in ~StatisticsRecorder()
1000     histograms = histograms_;  in ~StatisticsRecorder()
1001     histograms_ = NULL;  in ~StatisticsRecorder()
1013   return NULL != histograms_;  in IsActive()
1021   if (!histograms_)  in RegisterOrDeleteDuplicate()
1024   HistogramMap::iterator it = histograms_->find(name);  in RegisterOrDeleteDuplicate()
1026   if (histograms_->end() == it) {  in RegisterOrDeleteDuplicate()
1027     (*histograms_)[name] = histogram;  in RegisterOrDeleteDuplicate()
1084   if (!histograms_)  in GetHistograms()
1086   for (HistogramMap::iterator it = histograms_->begin();  in GetHistograms()
1087        histograms_->end() != it;  in GetHistograms()
1099   if (!histograms_)  in FindHistogram()
1101   HistogramMap::iterator it = histograms_->find(name);  in FindHistogram()
1102   if (histograms_->end() == it)  in FindHistogram()
1114   if (!histograms_)  in GetSnapshot()
1116   for (HistogramMap::iterator it = histograms_->begin();  in GetSnapshot()
1117        histograms_->end() != it;  in GetSnapshot()
1125 StatisticsRecorder::HistogramMap* StatisticsRecorder::histograms_ = NULL;  member in base::StatisticsRecorder