Revert of PaymentApp: Introduce PaymentAppDatabase class.

content/browser/payments/payment_app_database.h

Index: content/browser/payments/payment_app_database.h
diff --git a/content/browser/payments/payment_app_database.h b/content/browser/payments/payment_app_database.h
deleted file mode 100644
index d27b7d838914bcd1999c0e681d38986f6ed810fe..0000000000000000000000000000000000000000
--- a/content/browser/payments/payment_app_database.h
+++ /dev/null
@@ -1,68 +0,0 @@
-// 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>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "components/payments/payment_app.mojom.h"
-#include "content/browser/service_worker/service_worker_context_wrapper.h"
-#include "content/browser/service_worker/service_worker_registration.h"
-#include "content/common/content_export.h"
-#include "content/common/service_worker/service_worker_status_code.h"
-#include "mojo/public/cpp/bindings/binding.h"
-
-namespace content {
-
-class ServiceWorkerRegistration;
-
-class CONTENT_EXPORT PaymentAppDatabase {
- public:
-  using WriteManifestCallback =
-      base::Callback<void(payments::mojom::PaymentAppManifestError)>;
-  using ReadManifestCallback =
-      base::Callback<void(payments::mojom::PaymentAppManifestPtr,
-                          payments::mojom::PaymentAppManifestError)>;
-
-  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);
-
- 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);
-
-  // ReadManifest callbacks
-  void DidFindRegistrationToReadManifest(
-      const ReadManifestCallback& callback,
-      ServiceWorkerStatusCode status,
-      scoped_refptr<ServiceWorkerRegistration> registration);
-  void DidReadManifest(const ReadManifestCallback& callback,
-                       const std::vector<std::string>& data,
-                       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_