[Payments] Record use stats after payment request completion.

components/payments/content/payment_request.cc

 // 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.
 
 #include "components/payments/content/payment_request.h"
 
 #include <string>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
@@ skipping 150 matching lines @@
     return;
 
   if (result != mojom::PaymentComplete::SUCCESS) {
     delegate_->ShowErrorMessage();
   } else {
     journey_logger_.RecordJourneyStatsHistograms(
         JourneyLogger::COMPLETION_STATUS_COMPLETED);
     // When the renderer closes the connection,
     // PaymentRequest::OnConnectionTerminated will be called.
     client_->OnComplete();
+    state_->RecordUseStats();
   }
 }
 
 void PaymentRequest::CanMakePayment() {
   bool can_make_payment = state()->CanMakePayment();
   if (delegate_->IsIncognito()) {
     client_->OnCanMakePayment(
         mojom::CanMakePaymentQueryResult::CAN_MAKE_PAYMENT);
     journey_logger_.SetCanMakePaymentValue(true);
   } else if (CanMakePaymentQueryFactory::GetInstance()
@@ skipping 66 matching lines @@
   if (observer_for_testing_)
     observer_for_testing_->OnConnectionTerminated();
   manager_->DestroyRequest(this);
 }
 
 void PaymentRequest::Pay() {
   state_->GeneratePaymentResponse();
 }
 
 }  // namespace payments