Revert of [Payment Request] Moves PaymentRequestViewController to :payments_ui

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

Index: ios/chrome/browser/ui/payments/payment_request_mediator.h
diff --git a/ios/chrome/browser/ui/payments/payment_request_mediator.h b/ios/chrome/browser/ui/payments/payment_request_mediator.h
index e24f2b52350c551be044a40b676f92335e7bfcd0..7835b29e6bcea979973cb0b496ea6ac6a51ef713 100644
--- a/ios/chrome/browser/ui/payments/payment_request_mediator.h
+++ b/ios/chrome/browser/ui/payments/payment_request_mediator.h
@@ -5,27 +5,17 @@
 #ifndef IOS_CHROME_BROWSER_UI_PAYMENTS_PAYMENT_REQUEST_MEDIATOR_H_
 #define IOS_CHROME_BROWSER_UI_PAYMENTS_PAYMENT_REQUEST_MEDIATOR_H_
 
-#import "ios/chrome/browser/ui/payments/payment_request_view_controller_data_source.h"
+#include "ios/chrome/browser/ui/payments/payment_request_view_controller.h"
 
 namespace ios {
 class ChromeBrowserState;
 }  // namespace ios
 
-class PaymentRequest;
-
 // A mediator object that provides data for a PaymentRequestViewController.
 @interface PaymentRequestMediator
     : NSObject<PaymentRequestViewControllerDataSource>
 
-// Whether or not the total price value was changed by the merchant.
-@property(nonatomic, assign) BOOL totalValueChanged;
-
-// Initializes this object with an instance of ios::ChromeBrowserState and 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 |browserState| or |paymentRequest|.
 - (instancetype)initWithBrowserState:(ios::ChromeBrowserState*)browserState
-                      paymentRequest:(PaymentRequest*)paymentRequest
     NS_DESIGNATED_INITIALIZER;
 
 - (instancetype)init NS_UNAVAILABLE;