[Payment Request] Moves PaymentRequest into the payments namespace

ios/chrome/browser/ui/payments/credit_card_edit_mediator.mm

 // 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.
 
 #import "ios/chrome/browser/ui/payments/credit_card_edit_mediator.h"
 
 #include "base/strings/sys_string_conversions.h"
 #include "components/autofill/core/browser/autofill_data_util.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/credit_card.h"
@@ skipping 21 matching lines @@
 using ::autofill::data_util::GetIssuerNetworkForBasicCardIssuerNetwork;
 using ::autofill::data_util::GetPaymentRequestData;
 using ::payment_request_util::GetBillingAddressLabelFromAutofillProfile;
 }  // namespace
 
 @interface CreditCardEditViewControllerMediator ()
 
 // The PaymentRequest object owning an instance of web::PaymentRequest as
 // provided by the page invoking the Payment Request API. This is a weak
 // pointer and should outlive this class.
-@property(nonatomic, assign) PaymentRequest* paymentRequest;
+@property(nonatomic, assign) payments::PaymentRequest* paymentRequest;
 
 // 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 map of autofill types to the cached editor fields. Helps reuse the editor
 // fields and therefore maintain their existing values when the billing address
 // changes and the fields get updated.
 @property(nonatomic, strong)
     NSMutableDictionary<NSNumber*, EditorField*>* fieldsMap;
 
 // The reference to the expiration date field that combines the values for
 // autofill::CREDIT_CARD_EXP_MONTH and autofill::CREDIT_CARD_EXP_4_DIGIT_YEAR
 // field types. This is nil when editing a server card.
 @property(nonatomic, strong) EditorField* creditCardExpDateField;
 
 @end
 
 @implementation CreditCardEditViewControllerMediator
 
 @synthesize state = _state;
 @synthesize consumer = _consumer;
 @synthesize billingProfile = _billingProfile;
 @synthesize paymentRequest = _paymentRequest;
 @synthesize creditCard = _creditCard;
 @synthesize fieldsMap = _fieldsMap;
 @synthesize creditCardExpDateField = _creditCardExpDateField;
 
-- (instancetype)initWithPaymentRequest:(PaymentRequest*)paymentRequest
+- (instancetype)initWithPaymentRequest:(payments::PaymentRequest*)paymentRequest
                             creditCard:(autofill::CreditCard*)creditCard {
   self = [super init];
   if (self) {
     _paymentRequest = paymentRequest;
     _creditCard = creditCard;
     _state = _creditCard ? EditViewControllerStateEdit
                          : EditViewControllerStateCreate;
     _billingProfile =
         _creditCard && !_creditCard->billing_address_id().empty()
             ? autofill::PersonalDataManager::GetProfileFromProfilesByGUID(
@@ skipping 246 matching lines @@
                          value:@"YES"
                       required:YES];
     [self.fieldsMap setObject:saveToChromeField forKey:fieldKey];
   }
   [fields addObject:saveToChromeField];
 
   return fields;
 }
 
 @end