rAc: phone number cleanup

components/autofill/core/browser/phone_number_i18n.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_PHONE_NUMBER_I18N_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_PHONE_NUMBER_I18N_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 46 matching lines @@
                           const std::string& region,
                           base::string16* whole_number) WARN_UNUSED_RESULT;
 
 // Returns true if |number_a| and |number_b| parse to the same phone number in
 // the given |region|.
 bool PhoneNumbersMatch(const base::string16& number_a,
                        const base::string16& number_b,
                        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:
   PhoneObject(const base::string16& number,
               const std::string& region);
   PhoneObject(const PhoneObject&);
   PhoneObject();
   ~PhoneObject();
 
   std::string region() const { return region_; }
@@ skipping 26 matching lines @@
 
   // The whole number, normalized to contain only digits if possible.
   // Set on first request.
   mutable base::string16 whole_number_;
 };
 
 }  // namespace i18n
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_PHONE_NUMBER_I18N_H_