[ObjC ARC] Converts ios/chrome/browser/payments:unit_tests to ARC.

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"
 #include "components/autofill/core/browser/credit_card.h"
 #include "components/autofill/core/browser/test_personal_data_manager.h"
 #include "ios/chrome/browser/payments/payment_request_test_util.h"
 #import "ios/chrome/browser/payments/payment_request_view_controller.h"
 #import "ios/chrome/test/scoped_key_window.h"
 #import "ios/testing/ocmock_complex_type_helper.h"
 #include "ios/web/public/payments/payment_request.h"
 #import "ios/web/public/test/test_web_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 #include "third_party/ocmock/OCMock/OCMock.h"
 #include "third_party/ocmock/gtest_support.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 typedef PlatformTest PaymentRequestCoordinatorTest;
 
 @interface PaymentRequestCoordinatorDelegateMock<
     PaymentRequestCoordinatorDelegate>:OCMockComplexTypeHelper
 @end
 
 @implementation PaymentRequestCoordinatorDelegateMock
 
 typedef void (^mock_coordinator_cancel)(PaymentRequestCoordinator*);
 typedef void (^mock_coordinator_confirm)(PaymentRequestCoordinator*,
@@ skipping 31 matching lines @@
 
 @end
 
 // Tests that invoking start and stop on the coordinator presents and
 // dismisses
 // the PaymentRequestViewController, respectively.
 TEST(PaymentRequestCoordinatorTest, StartAndStop) {
   std::unique_ptr<PaymentRequest> payment_request =
       payment_request_test_util::CreateTestPaymentRequest();
 
-  UIViewController* base_view_controller =
-      [[[UIViewController alloc] init] autorelease];
+  UIViewController* base_view_controller = [[UIViewController alloc] init];
   ScopedKeyWindow scoped_key_window_;
   [scoped_key_window_.Get() setRootViewController:base_view_controller];
 
-  PaymentRequestCoordinator* coordinator = [[[PaymentRequestCoordinator alloc]
-      initWithBaseViewController:base_view_controller] autorelease];
+  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 =
       [coordinator baseViewController].presentedViewController;
   EXPECT_TRUE([persented_view_controller
       isMemberOfClass:[UINavigationController class]]);
   UINavigationController* navigation_controller =
@@ skipping 11 matching lines @@
   EXPECT_EQ(nil, [coordinator baseViewController].presentedViewController);
 }
 
 // Tests that calling the card unmasking delegate method which notifies the
 // coordinator about successful unmasking of a credit card invokes the
 // appropriate coordinator delegate method with the expected information.
 TEST(PaymentRequestCoordinatorTest, FullCardRequestDidSucceed) {
   std::unique_ptr<PaymentRequest> payment_request =
       payment_request_test_util::CreateTestPaymentRequest();
 
-  UIViewController* base_view_controller =
-      [[[UIViewController alloc] init] autorelease];
+  UIViewController* base_view_controller = [[UIViewController alloc] init];
   ScopedKeyWindow scoped_key_window_;
   [scoped_key_window_.Get() setRootViewController:base_view_controller];
 
-  PaymentRequestCoordinator* coordinator = [[[PaymentRequestCoordinator alloc]
-      initWithBaseViewController:base_view_controller] autorelease];
+  PaymentRequestCoordinator* coordinator = [[PaymentRequestCoordinator alloc]
+      initWithBaseViewController:base_view_controller];
   [coordinator setPaymentRequest:payment_request.get()];
 
   id delegate = [OCMockObject
       mockForProtocol:@protocol(PaymentMethodSelectionCoordinatorDelegate)];
   id delegate_mock([[PaymentRequestCoordinatorDelegateMock alloc]
       initWithRepresentedObject:delegate]);
   SEL selector =
       @selector(paymentRequestCoordinator:didConfirmWithPaymentResponse:);
   [delegate_mock onSelector:selector
        callBlockExpectation:^(PaymentRequestCoordinator* callerCoordinator,
@@ skipping 19 matching lines @@
                                              CVC:base::ASCIIToUTF16("123")];
 }
 
 // Tests that calling the ShippingAddressSelectionCoordinator delegate method
 // which notifies the coordinator about selection of a shipping address invokes
 // the corresponding coordinator delegate method with the expected information.
 TEST(PaymentRequestCoordinatorTest, DidSelectShippingAddress) {
   std::unique_ptr<PaymentRequest> payment_request =
       payment_request_test_util::CreateTestPaymentRequest();
 
-  UIViewController* base_view_controller =
-      [[[UIViewController alloc] init] autorelease];
+  UIViewController* base_view_controller = [[UIViewController alloc] init];
   ScopedKeyWindow scoped_key_window_;
   [scoped_key_window_.Get() setRootViewController:base_view_controller];
 
-  PaymentRequestCoordinator* coordinator = [[[PaymentRequestCoordinator alloc]
-      initWithBaseViewController:base_view_controller] autorelease];
+  PaymentRequestCoordinator* coordinator = [[PaymentRequestCoordinator alloc]
+      initWithBaseViewController:base_view_controller];
   [coordinator setPaymentRequest:payment_request.get()];
 
   // Mock the coordinator delegate.
   id delegate = [OCMockObject
       mockForProtocol:@protocol(PaymentMethodSelectionCoordinatorDelegate)];
   id delegate_mock([[PaymentRequestCoordinatorDelegateMock alloc]
       initWithRepresentedObject:delegate]);
   SEL selector = @selector(paymentRequestCoordinator:didSelectShippingAddress:);
   [delegate_mock onSelector:selector
        callBlockExpectation:^(PaymentRequestCoordinator* callerCoordinator,
@@ skipping 23 matching lines @@
                           didSelectShippingAddress:profile.get()];
 }
 
 // Tests that calling the ShippingOptionSelectionCoordinator delegate method
 // which notifies the coordinator about selection of a shipping option invokes
 // the corresponding coordinator delegate method with the expected information.
 TEST(PaymentRequestCoordinatorTest, DidSelectShippingOption) {
   std::unique_ptr<PaymentRequest> payment_request =
       payment_request_test_util::CreateTestPaymentRequest();
 
-  UIViewController* base_view_controller =
-      [[[UIViewController alloc] init] autorelease];
+  UIViewController* base_view_controller = [[UIViewController alloc] init];
   ScopedKeyWindow scoped_key_window_;
   [scoped_key_window_.Get() setRootViewController:base_view_controller];
 
-  PaymentRequestCoordinator* coordinator = [[[PaymentRequestCoordinator alloc]
-      initWithBaseViewController:base_view_controller] autorelease];
+  PaymentRequestCoordinator* coordinator = [[PaymentRequestCoordinator alloc]
+      initWithBaseViewController:base_view_controller];
   [coordinator setPaymentRequest:payment_request.get()];
 
   // Mock the coordinator delegate.
   id delegate = [OCMockObject
       mockForProtocol:@protocol(PaymentMethodSelectionCoordinatorDelegate)];
   id delegate_mock([[PaymentRequestCoordinatorDelegateMock alloc]
       initWithRepresentedObject:delegate]);
   SEL selector = @selector(paymentRequestCoordinator:didSelectShippingOption:);
   [delegate_mock onSelector:selector
        callBlockExpectation:^(PaymentRequestCoordinator* callerCoordinator,
@@ skipping 16 matching lines @@
                           didSelectShippingOption:&shipping_option];
 }
 
 // Tests that calling the view controller delegate method which notifies the
 // coordinator about cancellation of the PaymentRequest invokes the
 // corresponding coordinator delegate method.
 TEST(PaymentRequestCoordinatorTest, DidCancel) {
   std::unique_ptr<PaymentRequest> payment_request =
       payment_request_test_util::CreateTestPaymentRequest();
 
-  UIViewController* base_view_controller =
-      [[[UIViewController alloc] init] autorelease];
+  UIViewController* base_view_controller = [[UIViewController alloc] init];
   ScopedKeyWindow scoped_key_window_;
   [scoped_key_window_.Get() setRootViewController:base_view_controller];
 
-  PaymentRequestCoordinator* coordinator = [[[PaymentRequestCoordinator alloc]
-      initWithBaseViewController:base_view_controller] autorelease];
+  PaymentRequestCoordinator* coordinator = [[PaymentRequestCoordinator alloc]
+      initWithBaseViewController:base_view_controller];
   [coordinator setPaymentRequest:payment_request.get()];
 
   // Mock the coordinator delegate.
   id delegate = [OCMockObject
       mockForProtocol:@protocol(PaymentMethodSelectionCoordinatorDelegate)];
   id delegate_mock([[PaymentRequestCoordinatorDelegateMock alloc]
       initWithRepresentedObject:delegate]);
   SEL selector = @selector(paymentRequestCoordinatorDidCancel:);
   [delegate_mock onSelector:selector
        callBlockExpectation:^(PaymentRequestCoordinator* callerCoordinator) {
          EXPECT_EQ(coordinator, callerCoordinator);
        }];
   [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];
 }