HISTOGRAM_PERCENTAGE  236 base/metrics/histogram.h #define DHISTOGRAM_PERCENTAGE(name, under_one_hundred) HISTOGRAM_PERCENTAGE(\
HISTOGRAM_PERCENTAGE   80 base/metrics/histogram_unittest.cc   HISTOGRAM_PERCENTAGE("DuplicatedHistogram", 10);
HISTOGRAM_PERCENTAGE   81 base/metrics/histogram_unittest.cc   HISTOGRAM_PERCENTAGE("DuplicatedHistogram", 10);