DHISTOGRAM_COUNTS   72 base/metrics/histogram_unittest.cc   DHISTOGRAM_COUNTS("Test5Histogram", 30);
DHISTOGRAM_COUNTS  240 base/metrics/statistics_recorder_unittest.cc   DHISTOGRAM_COUNTS("TestHistogramDebugCounts", 30);
DHISTOGRAM_COUNTS   67 content/child/child_histogram_message_filter.cc   DHISTOGRAM_COUNTS("Histogram.ChildProcessHistogramSentCount", count);
DHISTOGRAM_COUNTS  159 net/cert/x509_certificate.cc     DHISTOGRAM_COUNTS("X509CertificateReuseCount", 1);