[Payments] Present web payment app instead of instruments to user

content/public/browser/stored_payment_app.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_STORED_PAYMENT_APP_H_
 #define CONTENT_PUBLIC_BROWSER_STORED_PAYMENT_APP_H_
 
 #include <stdint.h>
 #include <string>
 #include <vector>
 
 #include "content/common/content_export.h"
-#include "content/public/browser/stored_payment_instrument.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "url/origin.h"
 
 namespace content {
 
 // This class represents the stored payment app.
 struct CONTENT_EXPORT StoredPaymentApp {
   StoredPaymentApp();
   ~StoredPaymentApp();
 
   // Id of the service worker registration this app is associated with.
   int64_t registration_id = 0;
 
   // Origin of the payment app provider that provides this payment app.
   url::Origin origin;
 
   // Label for this payment app.
   std::string name;
 
   // Decoded icon for this payment app.
   std::unique_ptr<SkBitmap> icon;
 
-  // A list of one or more payment instruments in this payment app.
-  std::vector<std::unique_ptr<StoredPaymentInstrument>> instruments;
+  // A list of one or more enabled payment methods in this payment app.
+  std::vector<std::string> enabled_methods;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_STORED_PAYMENT_APP_H_