rAc: phone number cleanup

components/autofill/core/browser/phone_number_i18n.h

Index: components/autofill/core/browser/phone_number_i18n.h
diff --git a/components/autofill/core/browser/phone_number_i18n.h b/components/autofill/core/browser/phone_number_i18n.h
index 3fcc824280ad5088bfc9cadc4eb5a881d269deb6..0e0549e3167f71ba78029efa47ffc3f2d979c5be 100644
--- a/components/autofill/core/browser/phone_number_i18n.h
+++ b/components/autofill/core/browser/phone_number_i18n.h
@@ -64,6 +64,12 @@ bool PhoneNumbersMatch(const base::string16& number_a,
                        const std::string& region,
                        const std::string& app_locale);
 
+// Takes a phone number provided by a user and returns a string formatted for
+// display in the national format of the region defined by |region|. If
+// the phone number could not be parsed this may return an empty string.
+base::string16 FormatPhoneNumberForRegion(const base::string16& whole_number,
+                                          const std::string& region);
+
 // The cached phone number, does parsing only once, improves performance.
 class PhoneObject {
  public: