[Payment Request] Formats phone number and credit card number in editors.

ios/chrome/browser/ui/payments/credit_card_edit_mediator.mm

 // 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.
 
 #import "ios/chrome/browser/ui/payments/credit_card_edit_mediator.h"
 
 #include "base/strings/sys_string_conversions.h"
 #include "components/autofill/core/browser/autofill_data_util.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/credit_card.h"
 #include "components/autofill/core/browser/personal_data_manager.h"
 #import "components/autofill/ios/browser/credit_card_util.h"
+#include "components/payments/core/payment_request_data_util.h"
 #include "components/strings/grit/components_strings.h"
 #include "ios/chrome/browser/application_context.h"
 #include "ios/chrome/browser/payments/payment_request.h"
 #import "ios/chrome/browser/payments/payment_request_util.h"
 #import "ios/chrome/browser/ui/autofill/autofill_ui_type.h"
 #import "ios/chrome/browser/ui/payments/cells/accepted_payment_methods_item.h"
 #import "ios/chrome/browser/ui/payments/cells/payment_method_item.h"
 #import "ios/chrome/browser/ui/payments/payment_request_edit_consumer.h"
 #import "ios/chrome/browser/ui/payments/payment_request_editor_field.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
@@ skipping 123 matching lines @@
       l10n_util::GetNSString(IDS_PAYMENTS_ACCEPTED_CARDS_LABEL);
   acceptedMethodsItem.methodTypeIcons = issuerNetworkIcons;
   return acceptedMethodsItem;
 }
 
 - (BOOL)shouldHideBackgroundForHeaderItem {
   // YES if the header item displays the accepted payment method type icons.
   return !_creditCard || autofill::IsCreditCardLocal(*_creditCard);
 }
 
+- (void)formatValueForEditorField:(EditorField*)field {
+  if (field.autofillUIType == AutofillUITypeCreditCardNumber) {
+    field.value = base::SysUTF16ToNSString(
+        payments::data_util::FormatCardNumberForDisplay(
+            base::SysNSStringToUTF16(field.value)));
+  }
+}
+
 - (UIImage*)iconIdentifyingEditorField:(EditorField*)field {
   // Early return if the field is not the credit card number field.
   if (field.autofillUIType != AutofillUITypeCreditCardNumber)
     return nil;
 
   const char* issuerNetwork = autofill::CreditCard::GetCardNetwork(
       base::SysNSStringToUTF16(field.value));
   // This should not happen in Payment Request.
   if (issuerNetwork == autofill::kGenericCard)
     return nil;
@@ skipping 80 matching lines @@
           ? GetBillingAddressLabelFromAutofillProfile(*self.billingProfile)
           : nil;
 
   // Early return if editing a server card. For server cards, only the billing
   // address can be edited.
   if (_creditCard && !autofill::IsCreditCardLocal(*_creditCard))
     return @[ billingAddressField ];
 
   // Credit Card number field.
   NSString* creditCardNumber =
-      _creditCard ? base::SysUTF16ToNSString(_creditCard->number()) : nil;
+      _creditCard ? base::SysUTF16ToNSString(
+                        payments::data_util::FormatCardNumberForDisplay(
+                            _creditCard->number()))
+                  : nil;
   fieldKey = [NSNumber numberWithInt:AutofillUITypeCreditCardNumber];
   EditorField* creditCardNumberField = self.fieldsMap[fieldKey];
   if (!creditCardNumberField) {
     creditCardNumberField = [[EditorField alloc]
         initWithAutofillUIType:AutofillUITypeCreditCardNumber
                      fieldType:EditorFieldTypeTextField
                          label:l10n_util::GetNSString(IDS_PAYMENTS_CARD_NUMBER)
                          value:creditCardNumber
                       required:YES];
     [self.fieldsMap setObject:creditCardNumberField forKey:fieldKey];
@@ skipping 80 matching lines @@
                          value:@"YES"
                       required:YES];
     [self.fieldsMap setObject:saveToChromeField forKey:fieldKey];
   }
   [fields addObject:saveToChromeField];
 
   return fields;
 }
 
 @end