[Payment Request] Refactors edit view controller

ios/chrome/browser/ui/payments/credit_card_edit_coordinator.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_coordinator.h"
 
 #include "base/guid.h"
 #include "base/logging.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 47 matching lines @@
   if (error_message) {
     *error_message = l10n_util::GetStringUTF16(
         IDS_PAYMENTS_VALIDATION_ALREADY_USED_CREDIT_CARD_NUMBER);
   }
   return false;
 }
 
 }  // namespace
 
 @interface CreditCardEditCoordinator () {
-  CreditCardEditViewController* _viewController;
+  PaymentRequestEditViewController* _viewController;
 
   CreditCardEditViewControllerMediator* _mediator;
 }
 
 @end
 
 @implementation CreditCardEditCoordinator
 
 @synthesize creditCard = _creditCard;
 @synthesize paymentRequest = _paymentRequest;
 @synthesize delegate = _delegate;
 
 - (void)start {
-  _viewController = [[CreditCardEditViewController alloc] init];
+  _viewController = [[PaymentRequestEditViewController alloc] init];
   // TODO(crbug.com/602666): Title varies depending on the missing fields.
   NSString* title = _creditCard
                         ? l10n_util::GetNSString(IDS_PAYMENTS_EDIT_CARD)
                         : l10n_util::GetNSString(IDS_PAYMENTS_ADD_CARD_LABEL);
   [_viewController setTitle:title];
   [_viewController setDelegate:self];
   [_viewController setValidatorDelegate:self];
   _mediator = [[CreditCardEditViewControllerMediator alloc]
       initWithPaymentRequest:_paymentRequest
                   creditCard:_creditCard];
@@ skipping 32 matching lines @@
           &errorMessage);
     }
     return !errorMessage.empty() ? base::SysUTF16ToNSString(errorMessage) : nil;
   } else if (field.isRequired) {
     return l10n_util::GetNSString(
         IDS_PAYMENTS_FIELD_REQUIRED_VALIDATION_MESSAGE);
   }
   return nil;
 }
 
-#pragma mark - CreditCardEditViewControllerDelegate
+#pragma mark - PaymentRequestEditViewControllerDelegate
 
 - (void)paymentRequestEditViewController:
             (PaymentRequestEditViewController*)controller
                           didSelectField:(EditorField*)field {
   if (field.autofillUIType == AutofillUITypeCreditCardBillingAddress) {
     // TODO(crbug.com/602666): Display a list of billing addresses.
   }
 }
 
-- (void)creditCardEditViewController:(CreditCardEditViewController*)controller
-              didFinishEditingFields:(NSArray<EditorField*>*)fields
-                      saveCreditCard:(BOOL)saveCreditCard {
+- (void)paymentRequestEditViewController:
+            (PaymentRequestEditViewController*)controller
+                  didFinishEditingFields:(NSArray<EditorField*>*)fields {
+  BOOL saveCreditCard = NO;
   // Create an empty credit card. If a credit card is being edited, copy over
   // the information.
   autofill::CreditCard creditCard =
       _creditCard ? *_creditCard
                   : autofill::CreditCard(base::GenerateGUID(),
                                          autofill::kSettingsOrigin);
 
   for (EditorField* field in fields) {
-    if (field.autofillUIType == AutofillUITypeCreditCardBillingAddress) {
+    if (field.autofillUIType == AutofillUITypeCreditCardSaveToChrome) {
+      saveCreditCard = [field.value boolValue];
+    } else if (field.autofillUIType == AutofillUITypeCreditCardBillingAddress) {
       creditCard.set_billing_address_id(base::SysNSStringToUTF8(field.value));
     } else {
       creditCard.SetRawInfo(
           AutofillTypeFromAutofillUIType(field.autofillUIType),
           base::SysNSStringToUTF16(field.value));
     }
   }
 
   if (!_creditCard) {
     if (saveCreditCard)
@@ skipping 14 matching lines @@
       // Update server credit card's billing address.
       _paymentRequest->GetPersonalDataManager()->UpdateServerCardMetadata(
           creditCard);
     }
   }
 
   [_delegate creditCardEditCoordinator:self
             didFinishEditingCreditCard:_creditCard];
 }
 
-- (void)creditCardEditViewControllerDidCancel:
-    (CreditCardEditViewController*)controller {
+- (void)paymentRequestEditViewControllerDidCancel:
+    (PaymentRequestEditViewController*)controller {
   [_delegate creditCardEditCoordinatorDidCancel:self];
 }
 
 @end