[ObjC ARC] Converts ios/chrome/browser/native_app_launcher:unit_tests to ARC.Automatically genera…

ios/chrome/browser/native_app_launcher/native_app_infobar_controller_unittest.mm

 // Copyright 2013 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/native_app_launcher/native_app_infobar_controller.h"
 
 #include <memory>
 
 #include "base/mac/scoped_nsobject.h"
 #import "ios/public/provider/chrome/browser/native_app_launcher/native_app_types.h"
 #include "ios/chrome/browser/native_app_launcher/native_app_infobar_delegate.h"
 #import "ios/chrome/browser/native_app_launcher/native_app_navigation_controller_protocol.h"
 #include "testing/platform_test.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 @interface NativeAppInfoBarController (Testing)
 - (void)infoBarButtonDidPress:(UIButton*)button;
 - (void)setInfoBarDelegate:(NativeAppInfoBarDelegate*)delegate;
 @end
 
 namespace {
 
 class NativeAppInfoBarControllerTest : public PlatformTest {
   class MockNativeAppInfoBarDelegate : public NativeAppInfoBarDelegate {
    public:
@@ skipping 67 matching lines @@
 }
 
 TEST_F(NativeAppInfoBarControllerTest, TestActionsWithOpenPolicyInfoBar) {
   SetUpWithType(NATIVE_APP_OPEN_POLICY_CONTROLLER);
   ExpectUserPerformedAction(NATIVE_APP_ACTION_CLICK_ONCE);
   ExpectUserPerformedAction(NATIVE_APP_ACTION_CLICK_ALWAYS);
   ExpectUserPerformedAction(NATIVE_APP_ACTION_DISMISS);
 }
 
 }  // namespace