extern const char kAutofillAuxiliaryProfilesEnabled[];
extern const char kAutofillEnabled[];
extern const char kAutofillMacAddressBookQueried[];
+extern const char kAutofillMacAddressBookShowedCount[];
extern const char kAutofillNegativeUploadRate[];
extern const char kAutofillPositiveUploadRate[];
extern const char kAutofillUseMacAddressBook[];