AddPrefInitObserver  256 base/prefs/pref_service.h   void AddPrefInitObserver(base::Callback<void(bool)> callback);
AddPrefInitObserver  198 chrome/browser/chromeos/login/wizard_controller.cc       GetLocalState()->AddPrefInitObserver(
AddPrefInitObserver  488 chrome/browser/profiles/profile_impl.cc     prefs_->AddPrefInitObserver(base::Bind(&ProfileImpl::OnPrefsLoaded,