PaymentHandler: Implement PaymentInstruments.clear().

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 26 matching lines @@
   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)>;
+  using ClearPaymentInstrumentsCallback =
+      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);
+  void ClearPaymentInstruments(const GURL& scope,
+                               ClearPaymentInstrumentsCallback callback);
 
  private:
   // WriteManifest callbacks
   void DidFindRegistrationToWriteManifest(
       payments::mojom::PaymentAppManifestPtr manifest,
       const WriteManifestCallback& callback,
       ServiceWorkerStatusCode status,
       scoped_refptr<ServiceWorkerRegistration> registration);
   void DidWriteManifest(const WriteManifestCallback& callback,
                         ServiceWorkerStatusCode status);
@@ skipping 61 matching lines @@
   // WritePaymentInstrument callbacks
   void DidFindRegistrationToWritePaymentInstrument(
       const std::string& instrument_key,
       payments::mojom::PaymentInstrumentPtr instrument,
       WritePaymentInstrumentCallback callback,
       ServiceWorkerStatusCode status,
       scoped_refptr<ServiceWorkerRegistration> registration);
   void DidWritePaymentInstrument(WritePaymentInstrumentCallback callback,
                                  ServiceWorkerStatusCode status);
 
+  // ClearPaymentInstruments callbacks
+  void DidFindRegistrationToClearPaymentInstruments(
+      const GURL& scope,
+      ClearPaymentInstrumentsCallback callback,
+      ServiceWorkerStatusCode status,
+      scoped_refptr<ServiceWorkerRegistration> registration);
+  void DidGetKeysToClearPaymentInstruments(
+      int64_t registration_id,
+      ClearPaymentInstrumentsCallback callback,
+      const std::vector<std::string>& keys,
+      payments::mojom::PaymentHandlerStatus status);
+  void DidClearPaymentInstruments(ClearPaymentInstrumentsCallback callback,
+                                  ServiceWorkerStatusCode status);
+
   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_