[Payment Request] Error message screen

ios/chrome/browser/payments/payment_request_coordinator_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/payment_request_coordinator.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/ios/wait_util.h"
 #include "components/autofill/core/browser/autofill_profile.h"
@@ skipping 69 matching lines @@
   ScopedKeyWindow scoped_key_window_;
   [scoped_key_window_.Get() setRootViewController:base_view_controller];
 
   PaymentRequestCoordinator* coordinator = [[PaymentRequestCoordinator alloc]
       initWithBaseViewController:base_view_controller];
   [coordinator setPaymentRequest:payment_request.get()];
 
   [coordinator start];
   // Short delay to allow animation to complete.
   base::test::ios::SpinRunLoopWithMaxDelay(base::TimeDelta::FromSecondsD(1));
-  id persented_view_controller =
+  id presented_view_controller =
       [coordinator baseViewController].presentedViewController;
-  EXPECT_TRUE([persented_view_controller
+  EXPECT_TRUE([presented_view_controller
       isMemberOfClass:[UINavigationController class]]);
   UINavigationController* navigation_controller =
       base::mac::ObjCCastStrict<UINavigationController>(
-          persented_view_controller);
+          presented_view_controller);
   EXPECT_EQ(1u, navigation_controller.viewControllers.count);
   id view_controller = navigation_controller.visibleViewController;
   EXPECT_TRUE(
       [view_controller isMemberOfClass:[PaymentRequestViewController class]]);
 
   [coordinator stop];
   // Delay to allow animation to complete.
   base::test::ios::SpinRunLoopWithMinDelay(base::TimeDelta::FromSecondsD(2));
 
   EXPECT_EQ(nil, [coordinator baseViewController].presentedViewController);
@@ skipping 162 matching lines @@
        }];
   [coordinator setDelegate:delegate_mock];
 
   [coordinator start];
   // Short delay to allow animation to complete.
   base::test::ios::SpinRunLoopWithMaxDelay(base::TimeDelta::FromSecondsD(1));
 
   // Call the controller delegate method.
   [coordinator paymentRequestViewControllerDidCancel:nil];
 }