[Payment Request] Moves PaymentRequest into the payments namespace

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

Index: ios/chrome/browser/ui/payments/contact_info_edit_mediator.h
diff --git a/ios/chrome/browser/ui/payments/contact_info_edit_mediator.h b/ios/chrome/browser/ui/payments/contact_info_edit_mediator.h
index c58247190e77b3dcad630240f5b394db9010d77d..9192be9e536119f0fbfbd763f7a1264981acb069 100644
--- a/ios/chrome/browser/ui/payments/contact_info_edit_mediator.h
+++ b/ios/chrome/browser/ui/payments/contact_info_edit_mediator.h
@@ -9,13 +9,16 @@
 
 #import "ios/chrome/browser/ui/payments/payment_request_edit_view_controller_data_source.h"
 
-class PaymentRequest;
 @protocol PaymentRequestEditConsumer;
 
 namespace autofill {
 class AutofillProfile;
 }  // namespace autofill
 
+namespace payments {
+class PaymentRequest;
+}  // namespace payments
+
 // Serves as data source for AddressEditViewController.
 @interface ContactInfoEditMediator
     : NSObject<PaymentRequestEditViewControllerDataSource>
@@ -28,7 +31,7 @@ class AutofillProfile;
 // of web::PaymentRequest as provided by the page invoking the Payment Request
 // API as well as |profile| which is the profile to be edited, if any.
 // This object will not take ownership of |paymentRequest| or |profile|.
-- (instancetype)initWithPaymentRequest:(PaymentRequest*)paymentRequest
+- (instancetype)initWithPaymentRequest:(payments::PaymentRequest*)paymentRequest
                                profile:(autofill::AutofillProfile*)profile
     NS_DESIGNATED_INITIALIZER;