[Payments] Format shipping and billing phone number in normalizer.

components/payments/core/payment_request_data_util_unittest.cc

 // Copyright 2017 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.
 
 #include "components/payments/core/payment_request_data_util.h"
 
 #include <memory>
 
 #include "base/json/json_writer.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 54 matching lines @@
       "\"recipient\":\"John H. Doe\","
       "\"region\":\"CA\"},"
       "\"cardNumber\":\"4111111111111111\","
       "\"cardSecurityCode\":\"123\","
       "\"cardholderName\":\"Test User\","
       "\"expiryMonth\":\"11\","
       "\"expiryYear\":\"2022\"}",
       json_response);
 }
 
+// Tests that the phone numbers are correctly formatted for the Payment
+// Response.
+TEST(PaymentRequestDataUtilTest, FormatPhoneForResponse) {
+  EXPECT_EQ("+15151231234", payments::data_util::FormatPhoneForResponse(
+                                "(515) 123-1234", "US"));
+  EXPECT_EQ("+15151231234", payments::data_util::FormatPhoneForResponse(
+                                "(1) 515-123-1234", "US"));
+  EXPECT_EQ("+33142685300",
+            payments::data_util::FormatPhoneForResponse("1 42 68 53 00", "FR"));
+}
+
+// Tests that the phone numbers are correctly formatted to display to the user.
+TEST(PaymentRequestDataUtilTest, FormatPhoneForDisplay) {
+  EXPECT_EQ("+1 515-123-1234",
+            payments::data_util::FormatPhoneForDisplay("5151231234", "US"));
+  EXPECT_EQ("+33 1 42 68 53 00",
+            payments::data_util::FormatPhoneForDisplay("142685300", "FR"));
+}
+
 }  // namespace data_util
 }  // namespace payments