StopObservingPref  205 chrome/browser/ui/webui/options/chromeos/core_chromeos_options_handler.cc void CoreChromeOSOptionsHandler::StopObservingPref(const std::string& path) {
StopObservingPref  257 chrome/browser/ui/webui/options/core_options_handler.cc void CoreOptionsHandler::StopObservingPref(const std::string& pref_name) {