[Payment Request] Change the lifetime management of PaymentRequestImpl

chrome/browser/payments/payment_request_impl.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 CHROME_BROWSER_PAYMENTS_PAYMENT_REQUEST_IMPL_H_
-#define CHROME_BROWSER_PAYMENTS_PAYMENT_REQUEST_IMPL_H_
-
-#include "components/payments/payment_request.mojom.h"
-#include "mojo/public/cpp/bindings/binding.h"
-
-namespace content {
-class WebContents;
-}
-
-namespace payments {
-
-class PaymentRequestImpl : payments::mojom::PaymentRequest,
-                           public base::RefCounted<PaymentRequestImpl> {
- public:
-  PaymentRequestImpl(
-      content::WebContents* web_contents,
-      mojo::InterfaceRequest<payments::mojom::PaymentRequest> request);
-
-  // payments::mojom::PaymentRequest "stub"
-  void Init(payments::mojom::PaymentRequestClientPtr client,
-            std::vector<payments::mojom::PaymentMethodDataPtr> methodData,
-            payments::mojom::PaymentDetailsPtr details,
-            payments::mojom::PaymentOptionsPtr options) override;
-  void Show() override;
-  void UpdateWith(payments::mojom::PaymentDetailsPtr details) override {}
-  void Abort() override {}
-  void Complete(payments::mojom::PaymentComplete result) override {}
-  void CanMakePayment() override {}
-
-  void Cancel();
-  void OnError();
-  payments::mojom::PaymentDetails* details() { return details_.get(); }
-
-  content::WebContents* web_contents() { return web_contents_; }
-
- private:
-  friend class base::RefCounted<PaymentRequestImpl>;
-  ~PaymentRequestImpl() override;
-
-  content::WebContents* web_contents_;
-  mojo::Binding<payments::mojom::PaymentRequest> binding_;
-  payments::mojom::PaymentRequestClientPtr client_;
-  payments::mojom::PaymentDetailsPtr details_;
-
-  DISALLOW_COPY_AND_ASSIGN(PaymentRequestImpl);
-};
-
-}  // namespace payments
-
-void CreatePaymentRequestHandler(
-    content::WebContents* web_contents,
-    mojo::InterfaceRequest<payments::mojom::PaymentRequest> request);
-
-#endif  // CHROME_BROWSER_PAYMENTS_PAYMENT_REQUEST_IMPL_H_