Revert of PaymentHandler: Implement PaymentInstruments.keys().

content/browser/payments/payment_app_database.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_APP_DATABASE_H_
 #define CONTENT_BROWSER_PAYMENTS_PAYMENT_APP_DATABASE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 19 matching lines @@
                           payments::mojom::PaymentAppManifestError)>;
   using ManifestWithID =
       std::pair<int64_t, payments::mojom::PaymentAppManifestPtr>;
   using Manifests = std::vector<ManifestWithID>;
   using ReadAllManifestsCallback = base::Callback<void(Manifests)>;
   using DeletePaymentInstrumentCallback =
       base::OnceCallback<void(payments::mojom::PaymentHandlerStatus)>;
   using ReadPaymentInstrumentCallback =
       base::OnceCallback<void(payments::mojom::PaymentInstrumentPtr,
                               payments::mojom::PaymentHandlerStatus)>;
-  using KeysOfPaymentInstrumentsCallback =
-      base::OnceCallback<void(const std::vector<std::string>&,
-                              payments::mojom::PaymentHandlerStatus)>;
   using HasPaymentInstrumentCallback =
       base::OnceCallback<void(payments::mojom::PaymentHandlerStatus)>;
   using WritePaymentInstrumentCallback =
       base::OnceCallback<void(payments::mojom::PaymentHandlerStatus)>;
 
   explicit PaymentAppDatabase(
       scoped_refptr<ServiceWorkerContextWrapper> service_worker_context);
   ~PaymentAppDatabase();
 
   void WriteManifest(const GURL& scope,
                      payments::mojom::PaymentAppManifestPtr manifest,
                      const WriteManifestCallback& callback);
   void ReadManifest(const GURL& scope, const ReadManifestCallback& callback);
   void ReadAllManifests(const ReadAllManifestsCallback& callback);
   void DeletePaymentInstrument(const GURL& scope,
                                const std::string& instrument_key,
                                DeletePaymentInstrumentCallback callback);
   void ReadPaymentInstrument(const GURL& scope,
                              const std::string& instrument_key,
                              ReadPaymentInstrumentCallback callback);
-  void KeysOfPaymentInstruments(const GURL& scope,
-                                KeysOfPaymentInstrumentsCallback callback);
   void HasPaymentInstrument(const GURL& scope,
                             const std::string& instrument_key,
                             HasPaymentInstrumentCallback callback);
   void WritePaymentInstrument(const GURL& scope,
                               const std::string& instrument_key,
                               payments::mojom::PaymentInstrumentPtr instrument,
                               WritePaymentInstrumentCallback callback);
 
  private:
   // WriteManifest callbacks
@@ skipping 37 matching lines @@
   // ReadPaymentInstrument callbacks
   void DidFindRegistrationToReadPaymentInstrument(
       const std::string& instrument_key,
       ReadPaymentInstrumentCallback callback,
       ServiceWorkerStatusCode status,
       scoped_refptr<ServiceWorkerRegistration> registration);
   void DidReadPaymentInstrument(ReadPaymentInstrumentCallback callback,
                                 const std::vector<std::string>& data,
                                 ServiceWorkerStatusCode status);
 
-  // KeysOfPaymentInstruments callbacks
-  void DidFindRegistrationToGetKeys(
-      KeysOfPaymentInstrumentsCallback callback,
-      ServiceWorkerStatusCode status,
-      scoped_refptr<ServiceWorkerRegistration> registration);
-  void DidGetKeysOfPaymentInstruments(KeysOfPaymentInstrumentsCallback callback,
-                                      const std::vector<std::string>& data,
-                                      ServiceWorkerStatusCode status);
-
   // HasPaymentInstrument callbacks
   void DidFindRegistrationToHasPaymentInstrument(
       const std::string& instrument_key,
       HasPaymentInstrumentCallback callback,
       ServiceWorkerStatusCode status,
       scoped_refptr<ServiceWorkerRegistration> registration);
   void DidHasPaymentInstrument(int64_t registration_id,
                                const std::string& instrument_key,
                                DeletePaymentInstrumentCallback callback,
                                const std::vector<std::string>& data,
@@ skipping 11 matching lines @@
 
   scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_;
   base::WeakPtrFactory<PaymentAppDatabase> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PaymentAppDatabase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_PAYMENTS_PAYMENT_APP_DATABASE_H_