[Payment Request] Generic edit form

ios/chrome/browser/payments/credit_card_edit_coordinator.h

Index: ios/chrome/browser/payments/credit_card_edit_coordinator.h
diff --git a/ios/chrome/browser/payments/credit_card_edit_coordinator.h b/ios/chrome/browser/payments/credit_card_edit_coordinator.h
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+++ b/ios/chrome/browser/payments/credit_card_edit_coordinator.h
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+// 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.
+
+#ifndef IOS_CHROME_BROWSER_PAYMENTS_CREDIT_CARD_EDIT_COORDINATOR_H_
+#define IOS_CHROME_BROWSER_PAYMENTS_CREDIT_CARD_EDIT_COORDINATOR_H_
+
+#import "ios/chrome/browser/chrome_coordinator.h"
+#import "ios/chrome/browser/payments/credit_card_edit_view_controller.h"
+
+namespace autofill {
+class CreditCard;
+}  // namespace autofill
+
+@class CreditCardEditCoordinator;
+
+// Delegate protocol for CreditCardEditCoordinator.
+@protocol CreditCardEditCoordinatorDelegate<NSObject>
+
+// Notifies the delegate that the user has finished editing or creating
+// |creditCard|. |creditCard| will be a new credit card owned by the
+// PaymentRequest object if no credit card instance was provided to the
+// coordinator. Otherwise, it will be the same edited instance.
+- (void)creditCardEditCoordinator:(CreditCardEditCoordinator*)coordinator
+       didFinishEditingCreditCard:(autofill::CreditCard*)creditCard;
+
+// Notifies the delegate that the user has chose to return to the previous
+// screen.
+- (void)creditCardEditCoordinatorDidReturn:
+    (CreditCardEditCoordinator*)coordinator;
+
+@end
+
+// Coordinator responsible for creating and presenting a credit card editor view
+// controller. This view controller will be presented by the view controller
+// provided in the initializer.
+@interface CreditCardEditCoordinator
+    : ChromeCoordinator<CreditCardEditViewControllerDelegate>
+
+// The credit card to be edited, if any. This pointer is not owned by this class
+// and should outlive it.
+@property(nonatomic, assign) autofill::CreditCard* creditCard;
+
+// The PaymentRequest object owning an instance of web::PaymentRequest as
+// provided by the page invoking the Payment Request API. This pointer is not
+// owned by this class and should outlive it.
+@property(nonatomic, assign) PaymentRequest* paymentRequest;
+
+// The delegate to be notified when the user returns or finishes creating or
+// editting a credit card.
+@property(nonatomic, weak) id<CreditCardEditCoordinatorDelegate> delegate;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_PAYMENTS_CREDIT_CARD_EDIT_COORDINATOR_H_