UNIFORMITY_SESSION_RANDOMIZED_5_PERCENT_BASE  128 chrome/common/metrics/variations/uniformity_field_trials.cc       UNIFORMITY_SESSION_RANDOMIZED_5_PERCENT_BASE, 20);
UNIFORMITY_SESSION_RANDOMIZED_5_PERCENT_BASE   81 chrome/common/metrics/variations/variation_ids.h       UNIFORMITY_SESSION_RANDOMIZED_5_PERCENT_BASE + 20,