PreferenceSet     441 chrome/browser/prefs/pref_model_associator.cc   for (PreferenceSet::const_iterator iter = synced_preferences_.begin();
PreferenceSet     156 chrome/browser/prefs/pref_model_associator.h   PreferenceSet registered_preferences_;
PreferenceSet     165 chrome/browser/prefs/pref_model_associator.h   PreferenceSet synced_preferences_;