Adjust autofill phone number format.

components/autofill/core/browser/phone_number_i18n.cc

Index: components/autofill/core/browser/phone_number_i18n.cc
diff --git a/components/autofill/core/browser/phone_number_i18n.cc b/components/autofill/core/browser/phone_number_i18n.cc
index 72b2e1f481849956d8091f5bc9adb460ff4ddc0c..8496657f8d54de166314a88e79132ffbb3b57821 100644
--- a/components/autofill/core/browser/phone_number_i18n.cc
+++ b/components/autofill/core/browser/phone_number_i18n.cc
@@ -63,13 +63,37 @@ void FormatValidatedNumber(const PhoneNumber& number,
 
   PhoneNumberUtil* phone_util = PhoneNumberUtil::GetInstance();
   std::string processed_number;
-  phone_util->Format(number, format, &processed_number);
+
+  std::string region_code;
+  phone_util->GetRegionCodeForNumber(number, &region_code);
+
+  // Formats a phone number in the specified format using default rules.
+  // This applies to the following cases:
+  //   The phone number contains alphabetic letter(s).
+  //   The phone number has a leading international direct dialing (IDD) code.
+  //   The phone number does not have a leading '+' sign.
+  if (phone_util->IsAlphaNumber(number.raw_input()) ||
+      (number.has_country_code_source() &&
+       (number.country_code_source() == PhoneNumber::FROM_NUMBER_WITH_IDD ||
+        number.country_code_source() ==
+            PhoneNumber::FROM_NUMBER_WITHOUT_PLUS_SIGN))) {
+    phone_util->Format(number, format, &processed_number);
+  } else {
+    phone_util->FormatInOriginalFormat(number, region_code, &processed_number);
+  }
 
   if (formatted_number)
     *formatted_number = base::UTF8ToUTF16(processed_number);
 
   if (normalized_number) {
-    phone_util->NormalizeDigitsOnly(&processed_number);
+    // Keep the leading '+' while normalising numbers, excluding US numbers.
+    if (processed_number[0] == '+' && region_code != "US") {
+      processed_number = processed_number.substr(1, processed_number.length());
+      phone_util->NormalizeDigitsOnly(&processed_number);
+      processed_number.insert(processed_number.begin(), '+');
+    } else {
+      phone_util->NormalizeDigitsOnly(&processed_number);
+    }
     *normalized_number = base::UTF8ToUTF16(processed_number);
   }
 }
@@ -100,7 +124,9 @@ bool ParsePhoneNumber(const base::string16& value,
 
   // The |default_region| should already be sanitized.
   DCHECK_EQ(2U, default_region.size());
-  if (phone_util->Parse(number_text, default_region, i18n_number) !=
+  if (phone_util->ParseAndKeepRawInput(number_text,
+                                       default_region,
+                                       i18n_number) !=
           PhoneNumberUtil::NO_PARSING_ERROR) {
     return false;
   }