RegistrationMap   255 base/metrics/field_trial.cc     RegistrationMap::iterator it = registered_.begin();
RegistrationMap   393 base/metrics/field_trial.cc   for (RegistrationMap::iterator it = global_->registered_.begin();
RegistrationMap   521 base/metrics/field_trial.cc   RegistrationMap::iterator it = registered_.find(name);
RegistrationMap   473 base/metrics/field_trial.h   RegistrationMap registered_;