[Web Payments] Add a mechanism to build item lists in the PR dialog.

chrome/browser/ui/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 1791 matching lines @@
         "views/payments/credit_card_editor_view_controller.h",
         "views/payments/editor_view_controller.cc",
         "views/payments/editor_view_controller.h",
         "views/payments/order_summary_view_controller.cc",
         "views/payments/order_summary_view_controller.h",
         "views/payments/payment_method_view_controller.cc",
         "views/payments/payment_method_view_controller.h",
         "views/payments/payment_request_dialog_view.cc",
         "views/payments/payment_request_dialog_view.h",
         "views/payments/payment_request_dialog_view_ids.h",
+        "views/payments/payment_request_item_list.cc",
+        "views/payments/payment_request_item_list.h",
         "views/payments/payment_request_row_view.cc",
         "views/payments/payment_request_row_view.h",
         "views/payments/payment_request_sheet_controller.cc",
         "views/payments/payment_request_sheet_controller.h",
         "views/payments/payment_request_views_util.cc",
         "views/payments/payment_request_views_util.h",
         "views/payments/payment_sheet_view_controller.cc",
         "views/payments/payment_sheet_view_controller.h",
         "views/payments/shipping_list_view_controller.cc",
         "views/payments/shipping_list_view_controller.h",
@@ skipping 1692 matching lines @@
       "test/test_confirm_bubble_model.cc",
       "test/test_confirm_bubble_model.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }