[Payment Request] Moves PaymentRequest into the payments namespace

ios/chrome/browser/ui/payments/contact_info_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/contact_info_edit_mediator.h"
 
 #include "base/logging.h"
 #include "base/strings/sys_string_conversions.h"
 #include "components/autofill/core/browser/autofill_country.h"
 #include "components/autofill/core/browser/autofill_profile.h"
@@ skipping 10 matching lines @@
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 @interface ContactInfoEditMediator ()
 
 // 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 profile to be edited, if any. This pointer is not owned by this class and
 // should outlive it.
 @property(nonatomic, assign) autofill::AutofillProfile* profile;
 
 // The list of current editor fields.
 @property(nonatomic, strong) NSMutableArray<EditorField*>* fields;
 
 @end
 
 @implementation ContactInfoEditMediator
 
 @synthesize state = _state;
 @synthesize consumer = _consumer;
 @synthesize paymentRequest = _paymentRequest;
 @synthesize profile = _profile;
 @synthesize fields = _fields;
 
-- (instancetype)initWithPaymentRequest:(PaymentRequest*)paymentRequest
+- (instancetype)initWithPaymentRequest:(payments::PaymentRequest*)paymentRequest
                                profile:(autofill::AutofillProfile*)profile {
   self = [super init];
   if (self) {
     _paymentRequest = paymentRequest;
     _profile = profile;
     _state =
         _profile ? EditViewControllerStateEdit : EditViewControllerStateCreate;
   }
   return self;
 }
@@ skipping 100 matching lines @@
 // corresponding field value. Returns nil if |profile| is nullptr.
 - (NSString*)fieldValueFromProfile:(autofill::AutofillProfile*)profile
                          fieldType:(autofill::ServerFieldType)fieldType {
   return profile ? base::SysUTF16ToNSString(profile->GetInfo(
                        autofill::AutofillType(fieldType),
                        GetApplicationContext()->GetApplicationLocale()))
                  : nil;
 }
 
 @end