[Payments] Implement web payment app manifest

content/browser/payments/payment_manager.h

 // 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.
 
 #ifndef CONTENT_BROWSER_PAYMENTS_PAYMENT_MANAGER_H_
 #define CONTENT_BROWSER_PAYMENTS_PAYMENT_MANAGER_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 15 matching lines @@
       mojo::InterfaceRequest<payments::mojom::PaymentManager> request);
 
   ~PaymentManager() override;
 
  private:
   friend class PaymentAppContentUnitTestBase;
   friend class PaymentAppProviderTest;
   friend class PaymentManagerTest;
 
   // payments::mojom::PaymentManager methods:
-  void Init(const std::string& scope) override;
+  void Init(const std::string& context, const std::string& scope) override;
   void DeletePaymentInstrument(
       const std::string& instrument_key,
       DeletePaymentInstrumentCallback callback) override;
   void GetPaymentInstrument(const std::string& instrument_key,
                             GetPaymentInstrumentCallback callback) override;
   void KeysOfPaymentInstruments(
       KeysOfPaymentInstrumentsCallback callback) override;
   void HasPaymentInstrument(const std::string& instrument_key,
                             HasPaymentInstrumentCallback callback) override;
   void SetPaymentInstrument(const std::string& instrument_key,
                             payments::mojom::PaymentInstrumentPtr details,
                             SetPaymentInstrumentCallback callback) override;
   void ClearPaymentInstruments(
       ClearPaymentInstrumentsCallback callback) override;
 
   // Called when an error is detected on binding_.
   void OnConnectionError();
 
+  void SetPaymentInstrumentIntermediateCallback(
+      PaymentManager::SetPaymentInstrumentCallback callback,
+      payments::mojom::PaymentHandlerStatus status);
+
   // PaymentAppContextImpl owns PaymentManager
   PaymentAppContextImpl* payment_app_context_;
 
+  bool should_set_payment_app_info_;
+  GURL context_;
   GURL scope_;
   mojo::Binding<payments::mojom::PaymentManager> binding_;
   base::WeakPtrFactory<PaymentManager> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(PaymentManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_PAYMENTS_PAYMENT_MANAGER_H_