ns_                18 components/policy/core/common/policy_service.cc     policy_service_->RemoveObserver(ns_.domain, this);
ns_                24 components/policy/core/common/policy_service.cc     policy_service_->AddObserver(ns_.domain, this);
ns_                31 components/policy/core/common/policy_service.cc   if (ns != ns_)
ns_               108 components/policy/core/common/policy_service.h   PolicyNamespace ns_;