Selected shipping option in payment summary view + shipping option selection view

ios/chrome/browser/payments/BUILD.gn

 # 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.
 
 import("//ios/web/js_compile.gni")
 
 js_compile_checked("injected_js") {
   sources = [
     "resources/payment_request_manager.js",
   ]
@@ skipping 18 matching lines @@
     "payment_request_utils.h",
     "payment_request_utils.mm",
     "payment_request_view_controller.h",
     "payment_request_view_controller.mm",
     "payment_request_web_state_observer.h",
     "payment_request_web_state_observer.mm",
     "shipping_address_selection_coordinator.h",
     "shipping_address_selection_coordinator.mm",
     "shipping_address_selection_view_controller.h",
     "shipping_address_selection_view_controller.mm",
+    "shipping_option_selection_coordinator.h",
+    "shipping_option_selection_coordinator.mm",
+    "shipping_option_selection_view_controller.h",
+    "shipping_option_selection_view_controller.mm",
   ]
   deps = [
     ":injected_js",
     "//base",
     "//components/autofill/core/browser",
     "//components/strings",
     "//ios/chrome/app/strings",
     "//ios/chrome/browser",
     "//ios/chrome/browser/autofill",
     "//ios/chrome/browser/browser_state",
@@ skipping 11 matching lines @@
   libs = [ "UIKit.framework" ]
 }
 
 source_set("unit_tests") {
   testonly = true
   sources = [
     "payment_items_display_coordinator_unittest.mm",
     "payment_items_display_view_controller_unittest.mm",
     "shipping_address_selection_coordinator_unittest.mm",
     "shipping_address_selection_view_controller_unittest.mm",
+    "shipping_option_selection_coordinator_unittest.mm",
+    "shipping_option_selection_view_controller_unittest.mm",
   ]
   deps = [
     ":payments",
     "//base",
     "//base/test:test_support",
     "//components/autofill/core/browser",
     "//ios/chrome/app/strings",
     "//ios/chrome/browser/ui/collection_view:test_support",
     "//ios/chrome/browser/ui/collection_view/cells",
     "//ios/chrome/browser/ui/collection_view/cells:test_support",
     "//ios/chrome/test:test_support",
     "//ios/third_party/material_components_ios",
     "//ios/web",
     "//testing/gtest",
   ]
 }