SetGroupChoice     89 base/metrics/field_trial.cc       SetGroupChoice(default_group_name_, kDefaultGroupNumber);
SetGroupChoice    123 base/metrics/field_trial.cc     SetGroupChoice(name, next_group_number_);
SetGroupChoice    213 base/metrics/field_trial.cc   SetGroupChoice(default_group_name_, kDefaultGroupNumber);
SetGroupChoice    218 base/metrics/field_trial.h   void SetGroupChoice(const std::string& group_name, int number);