[Payment Request] Displays appropriate footer if first transaction completed

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

 // Copyright 2016 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/payment_request_manager.h"
 
 #include <string>
 
 #include "base/ios/block_types.h"
 #include "base/ios/ios_util.h"
 #import "base/mac/bind_objc_block.h"
 #include "base/mac/foundation_util.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string16.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #import "base/values.h"
 #include "components/autofill/core/browser/autofill_country.h"
 #include "components/autofill/core/browser/autofill_data_util.h"
 #include "components/autofill/core/browser/autofill_manager.h"
 #include "components/autofill/core/browser/credit_card.h"
 #include "components/autofill/core/browser/personal_data_manager.h"
 #include "components/autofill/ios/browser/autofill_driver_ios.h"
 #include "components/payments/core/address_normalization_manager.h"
 #include "components/payments/core/can_make_payment_query.h"
 #include "components/payments/core/payment_address.h"
+#include "components/payments/core/payment_prefs.h"
 #include "components/payments/core/payment_request_base_delegate.h"
 #include "components/payments/core/payment_request_data_util.h"
+#include "components/prefs/pref_service.h"
 #include "ios/chrome/browser/application_context.h"
 #include "ios/chrome/browser/autofill/personal_data_manager_factory.h"
 #include "ios/chrome/browser/autofill/validation_rules_storage_factory.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/payments/ios_can_make_payment_query_factory.h"
 #include "ios/chrome/browser/payments/payment_request.h"
 #include "ios/chrome/browser/procedural_block_types.h"
 #import "ios/chrome/browser/ui/commands/UIKit+ChromeExecuteCommand.h"
 #import "ios/chrome/browser/ui/commands/generic_chrome_command.h"
 #import "ios/chrome/browser/ui/commands/ios_command_ids.h"
@@ skipping 732 matching lines @@
   }
 
   if (_paymentRequest->request_payer_phone()) {
     paymentResponse.payer_phone =
         _pendingPaymentResponse.contactAddress.GetRawInfo(
             autofill::PHONE_HOME_WHOLE_NUMBER);
   }
 
   _paymentRequest->RecordUseStats();
 
+  _paymentRequest->GetPrefService()->SetBoolean(
+      payments::kPaymentsFirstTransactionCompleted, true);
+
   [_paymentRequestJsManager
       resolveRequestPromiseWithPaymentResponse:paymentResponse
                              completionHandler:nil];
   [self setUnblockEventQueueTimer];
   [self setPaymentResponseTimeoutTimer];
 }
 
 - (void)paymentRequestCoordinator:(PaymentRequestCoordinator*)coordinator
          didSelectShippingAddress:
              (const autofill::AutofillProfile&)shippingAddress {
@@ skipping 18 matching lines @@
 #pragma mark - CRWWebStateObserver methods
 
 - (void)webState:(web::WebState*)webState
     didCommitNavigationWithDetails:
         (const web::LoadCommittedDetails&)load_details {
   [self dismissUI];
   [self enableCurrentWebState];
 }
 
 @end