[Payments] Pass stringified details for service worker based payment app response

content/renderer/service_worker/service_worker_context_client.cc

 // Copyright 2015 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 "content/renderer/service_worker/service_worker_context_client.h"
 
 #include <map>
 #include <memory>
 #include <utility>
 
@@ skipping 1049 matching lines @@
 
 void ServiceWorkerContextClient::RespondToPaymentRequestEvent(
     int payment_request_id,
     const blink::WebPaymentAppResponse& web_response,
     double dispatch_event_time) {
   const payments::mojom::PaymentAppResponseCallbackPtr& response_callback =
       context_->payment_response_callbacks[payment_request_id];
   payments::mojom::PaymentAppResponsePtr response =
       payments::mojom::PaymentAppResponse::New();
   response->method_name = web_response.method_name.Utf8();
+  response->stringified_details = web_response.stringified_details.Utf8();
   response_callback->OnPaymentAppResponse(
       std::move(response), base::Time::FromDoubleT(dispatch_event_time));
   context_->payment_response_callbacks.erase(payment_request_id);
 }
 
 void ServiceWorkerContextClient::DidHandlePaymentRequestEvent(
     int payment_request_id,
     blink::WebServiceWorkerEventResult result,
     double event_dispatch_time) {
   DispatchPaymentRequestEventCallback callback =
@@ skipping 608 matching lines @@
 }
 
 base::WeakPtr<ServiceWorkerContextClient>
 ServiceWorkerContextClient::GetWeakPtr() {
   DCHECK(worker_task_runner_->RunsTasksInCurrentSequence());
   DCHECK(context_);
   return context_->weak_factory.GetWeakPtr();
 }
 
 }  // namespace content