[Payment Request] Payment request summary view pending state

ios/chrome/browser/payments/shipping_option_selection_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/payments/shipping_option_selection_view_controller.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/browser/test_personal_data_manager.h"
@@ skipping 65 matching lines @@
   [GetShippingOptionSelectionViewController() loadModel];
 
   ASSERT_EQ(1, NumberOfSections());
   // There should be 3 items now in total.
   ASSERT_EQ(3U, static_cast<unsigned int>(NumberOfItemsInSection(0)));
 
   // The first item should also be of type TextAndMessageItem.
   item = GetCollectionViewItem(0, 0);
   EXPECT_TRUE([item isMemberOfClass:[PaymentsTextItem class]]);
 
-  // Test the loading state.
-  [GetShippingOptionSelectionViewController() setIsLoading:YES];
+  // Test the pending state.
+  [GetShippingOptionSelectionViewController() setIsPending:YES];
   [GetShippingOptionSelectionViewController() 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.
   item = GetCollectionViewItem(0, 0);
   EXPECT_TRUE([item isMemberOfClass:[StatusItem class]]);
 }