[WebPayments] Extracting common code from Shipping + Contact Info views.

chrome/browser/ui/views/payments/shipping_list_view_controller.h

-// 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.
-
-#ifndef CHROME_BROWSER_UI_VIEWS_PAYMENTS_SHIPPING_LIST_VIEW_CONTROLLER_H_
-#define CHROME_BROWSER_UI_VIEWS_PAYMENTS_SHIPPING_LIST_VIEW_CONTROLLER_H_
-
-#include "base/macros.h"
-#include "chrome/browser/ui/views/payments/payment_request_item_list.h"
-#include "chrome/browser/ui/views/payments/payment_request_sheet_controller.h"
-
-namespace payments {
-
-class PaymentRequest;
-class PaymentRequestDialogView;
-
-// The PaymentRequestSheetController subtype for the Shipping address list
-// screen of the Payment Request flow.
-class ShippingListViewController : public PaymentRequestSheetController {
- public:
-  // Does not take ownership of the arguments, which should outlive this object.
-  ShippingListViewController(PaymentRequest* request,
-                             PaymentRequestDialogView* dialog);
-  ~ShippingListViewController() override;
-
-  // PaymentRequestSheetController:
-  std::unique_ptr<views::View> CreateView() override;
-
- private:
-  PaymentRequestItemList list_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShippingListViewController);
-};
-
-}  // namespace payments
-
-#endif  // CHROME_BROWSER_UI_VIEWS_PAYMENTS_SHIPPING_LIST_VIEW_CONTROLLER_H_