[Payments] Better default selections on iOS

ios/chrome/browser/ui/payments/payment_request_view_controller_unittest.mm

 // 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.
 
 #import "ios/chrome/browser/ui/payments/payment_request_view_controller.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/memory/ptr_util.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/autofill_test_utils.h"
@@ skipping 96 matching lines @@
   item = GetCollectionViewItem(3, 0);
   EXPECT_TRUE([item isMemberOfClass:[AutofillProfileItem class]]);
 }
 
 // Tests that the correct items are displayed after loading the model, when
 // there are no display items.
 TEST_F(PaymentRequestViewControllerTest, TestModelNoDisplayItem) {
   CreateController();
   CheckController();
 
-  payment_request_->set_payment_details(web::PaymentDetails());
+  payment_request_->UpdatePaymentDetails(web::PaymentDetails());
   [GetPaymentRequestViewController() loadModel];
 
   // The only item in the Summary section should stil be of type PriceItem, but
   // without an accessory view.
   ASSERT_EQ(1U, static_cast<unsigned int>(NumberOfItemsInSection(0)));
   id item = GetCollectionViewItem(0, 0);
   EXPECT_TRUE([item isMemberOfClass:[PriceItem class]]);
   PriceItem* price_item = item;
   EXPECT_EQ(MDCCollectionViewCellAccessoryNone, price_item.accessoryType);
 }
@@ skipping 17 matching lines @@
   EXPECT_EQ(MDCCollectionViewCellAccessoryNone, detail_item.accessoryType);
 }
 
 // Tests that the correct items are displayed after loading the model, when
 // there is no selected shipping option.
 TEST_F(PaymentRequestViewControllerTest, TestModelNoSelectedShippingOption) {
   CreateController();
   CheckController();
 
   // Resetting the payment details should reset the selected shipping option.
-  payment_request_->set_payment_details(web::PaymentDetails());
+  payment_request_->UpdatePaymentDetails(web::PaymentDetails());
   [GetPaymentRequestViewController() loadModel];
 
   // There should still be two items in the Shipping section.
   ASSERT_EQ(2U, static_cast<unsigned int>(NumberOfItemsInSection(1)));
 
   // The second one should be of type CollectionViewDetailItem.
   id item = GetCollectionViewItem(1, 1);
   EXPECT_TRUE([item isMemberOfClass:[CollectionViewDetailItem class]]);
   CollectionViewDetailItem* detail_item = item;
   EXPECT_EQ(MDCCollectionViewCellAccessoryDisclosureIndicator,
@@ skipping 28 matching lines @@
   [GetPaymentRequestViewController() loadModel];
 
   ASSERT_EQ(1, NumberOfSections());
   // There should be only one item.
   ASSERT_EQ(1U, static_cast<unsigned int>(NumberOfItemsInSection(0)));
 
   // The item should be of type StatusItem.
   id item = GetCollectionViewItem(0, 0);
   EXPECT_TRUE([item isMemberOfClass:[StatusItem class]]);
 }