Revert of [Payment Request] Moves PaymentRequestViewController to :payments_ui

ios/chrome/browser/ui/payments/payment_request_view_controller.h

Index: ios/chrome/browser/ui/payments/payment_request_view_controller.h
diff --git a/ios/chrome/browser/ui/payments/payment_request_view_controller.h b/ios/chrome/browser/ui/payments/payment_request_view_controller.h
index 9aae684502455e905ee6e10aa01720389cd6412a..a7cf17574348872cf3793bda35bcadbe09d796ee 100644
--- a/ios/chrome/browser/ui/payments/payment_request_view_controller.h
+++ b/ios/chrome/browser/ui/payments/payment_request_view_controller.h
@@ -7,12 +7,24 @@
 
 #import <UIKit/UIKit.h>
 
+#include "ios/chrome/browser/payments/payment_request.h"
+#import "ios/chrome/browser/ui/collection_view/cells/collection_view_footer_item.h"
 #import "ios/chrome/browser/ui/collection_view/collection_view_controller.h"
-#import "ios/chrome/browser/ui/payments/payment_request_view_controller_data_source.h"
 
 extern NSString* const kPaymentRequestCollectionViewID;
 
+class PaymentRequest;
+
 @class PaymentRequestViewController;
+
+// Data source protocol for PaymentRequestViewController.
+@protocol PaymentRequestViewControllerDataSource<NSObject>
+
+// Returns the authenticated account name, if a user is authenticated.
+// Otherwise, returns nil.
+- (NSString*)authenticatedAccountName;
+
+@end
 
 // Delegate protocol for PaymentRequestViewController.
 @protocol PaymentRequestViewControllerDelegate<NSObject>
@@ -54,7 +66,8 @@
 
 // View controller responsible for presenting the details of a PaymentRequest to
 // the user and communicating their choices to the supplied delegate.
-@interface PaymentRequestViewController : CollectionViewController
+@interface PaymentRequestViewController
+    : CollectionViewController<CollectionViewFooterLinkDelegate>
 
 // The favicon of the page invoking the Payment Request API.
 @property(nonatomic, strong) UIImage* pageFavicon;
@@ -74,23 +87,37 @@
 // The delegate to be notified when the user confirms or cancels the request.
 @property(nonatomic, weak) id<PaymentRequestViewControllerDelegate> delegate;
 
-// The data source for this view controller.
+// Whether the data source should be shown (usually until the first payment
+// has been completed) or not.
+@property(nonatomic, assign) BOOL showPaymentDataSource;
+
 @property(nonatomic, weak) id<PaymentRequestViewControllerDataSource>
     dataSource;
 
-// Updates the payment summary item in the summary section.
-- (void)updatePaymentSummaryItem;
+// Updates the payment summary section UI. If |totalValueChanged| is YES,
+// adds a label to the total amount item indicating that the total amount was
+// updated.
+- (void)updatePaymentSummaryWithTotalValueChanged:(BOOL)totalValueChanged;
 
-// Updates the shipping section.
-- (void)updateShippingSection;
+// Updates the selected shipping address.
+- (void)updateSelectedShippingAddressUI;
 
-// Updates the payment method section.
-- (void)updatePaymentMethodSection;
+// Updates the selected shipping option.
+- (void)updateSelectedShippingOptionUI;
 
-// Updates the contact info section.
-- (void)updateContactInfoSection;
+// Updates the selected payment method.
+- (void)updateSelectedPaymentMethodUI;
 
-- (instancetype)init NS_DESIGNATED_INITIALIZER;
+// Updates the selected contact info.
+- (void)updateSelectedContactInfoUI;
+
+// Initializes this object with an instance of PaymentRequest which has a copy
+// of web::PaymentRequest as provided by the page invoking the Payment Request
+// API. This object will not take ownership of |paymentRequest|.
+- (instancetype)initWithPaymentRequest:(PaymentRequest*)paymentRequest
+    NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)init NS_UNAVAILABLE;
 
 - (instancetype)initWithStyle:(CollectionViewControllerStyle)style
     NS_UNAVAILABLE;