Layered component for web payments

components/payments/payment_request_web_contents_manager.cc

-// Copyright 2017 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.
-
-#include "components/payments/payment_request_web_contents_manager.h"
-
-#include <memory>
-#include <utility>
-
-#include "base/logging.h"
-#include "components/payments/payment_request_delegate.h"
-
-DEFINE_WEB_CONTENTS_USER_DATA_KEY(payments::PaymentRequestWebContentsManager);
-
-namespace payments {
-
-PaymentRequestWebContentsManager::~PaymentRequestWebContentsManager() {}
-
-PaymentRequestWebContentsManager*
-PaymentRequestWebContentsManager::GetOrCreateForWebContents(
-    content::WebContents* web_contents) {
-  DCHECK(web_contents);
-  // CreateForWebContents does nothing if the manager instance already exists.
-  PaymentRequestWebContentsManager::CreateForWebContents(web_contents);
-  return PaymentRequestWebContentsManager::FromWebContents(web_contents);
-}
-
-void PaymentRequestWebContentsManager::CreatePaymentRequest(
-    content::WebContents* web_contents,
-    std::unique_ptr<PaymentRequestDelegate> delegate,
-    mojo::InterfaceRequest<payments::mojom::PaymentRequest> request) {
-  std::unique_ptr<PaymentRequest> new_request(new PaymentRequest(
-      web_contents, std::move(delegate), this, std::move(request)));
-  PaymentRequest* request_ptr = new_request.get();
-  payment_requests_.insert(std::make_pair(request_ptr, std::move(new_request)));
-}
-
-void PaymentRequestWebContentsManager::DestroyRequest(PaymentRequest* request) {
-  payment_requests_.erase(request);
-}
-
-PaymentRequestWebContentsManager::PaymentRequestWebContentsManager(
-    content::WebContents* web_contents) {}
-
-}  // namespace payments