Upstream Chrome on iOS source code [2/11].

ios/chrome/browser/payments/payment_request_view_controller.h

+// Copyright 2016 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_PAYMENT_REQUEST_VIEW_CONTROLLER_H_
+#define IOS_CHROME_BROWSER_PAYMENTS_PAYMENT_REQUEST_VIEW_CONTROLLER_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/chrome/browser/ui/collection_view/collection_view_controller.h"
+#include "ios/web/public/payments/payment_request.h"
+
+namespace autofill {
+class AutofillProfile;
+class CreditCard;
+}
+
+@protocol PaymentRequestViewControllerDelegate<NSObject>
+- (void)paymentRequestViewControllerDidCancel;
+- (void)paymentRequestViewControllerDidConfirm;
+- (void)paymentRequestViewControllerDisplayPaymentItems;
+- (void)paymentRequestViewControllerSelectShippingAddress;
+- (void)paymentRequestViewControllerSelectPaymentMethod;
+
+@end
+
+// View controller responsible for presenting the details of a PaymentRequest to
+// the user and communicating their choices to the supplied delegate.
+@interface PaymentRequestViewController : CollectionViewController
+
+// The PaymentRequest object as provided by the page invoking the Payment
+// Request API.
+@property(nonatomic, assign) web::PaymentRequest paymentRequest;
+
+// The favicon of the page invoking the Payment Request API.
+@property(nonatomic, retain) UIImage* pageFavicon;
+
+// The title of the page invoking the Payment Request API.
+@property(nonatomic, copy) NSString* pageTitle;
+
+// The host of the page invoking the Payment Request API.
+@property(nonatomic, copy) NSString* pageHost;
+
+// The currently selected and displayed shipping address, if any.
+@property(nonatomic, assign) autofill::AutofillProfile* selectedShippingAddress;
+
+// The currently selected and displayed payment method, if any.
+@property(nonatomic, assign) autofill::CreditCard* selectedPaymentMethod;
+
+// The delegate to be notified when the user confirms or cancels the request.
+@property(nonatomic, weak) id<PaymentRequestViewControllerDelegate> delegate;
+
+// Sets the selected shipping address and updates the UI.
+- (void)updateSelectedShippingAddress:
+    (autofill::AutofillProfile*)shippingAddress;
+
+- (instancetype)init NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)initWithStyle:(CollectionViewControllerStyle)style
+    NS_UNAVAILABLE;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_PAYMENTS_PAYMENT_REQUEST_VIEW_CONTROLLER_H_