GetCurrentTimezoneID   23 chrome/browser/chromeos/settings/system_settings_provider.cc       timezone_settings->GetCurrentTimezoneID()));
GetCurrentTimezoneID  257 chromeos/settings/timezone_settings.cc   virtual base::string16 GetCurrentTimezoneID() OVERRIDE;
GetCurrentTimezoneID   32 chromeos/settings/timezone_settings.h   virtual base::string16 GetCurrentTimezoneID() = 0;