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

ios/chrome/browser/ui/settings/password_details_collection_view_controller_unittest.mm

 // Copyright 2015 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/settings/password_details_collection_view_controller.h"
 
 #include "base/mac/foundation_util.h"
-#import "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "components/autofill/core/common/password_form.h"
 #import "ios/chrome/browser/ui/collection_view/collection_view_controller_test.h"
 #import "ios/chrome/browser/ui/settings/cells/password_details_item.h"
 #import "ios/chrome/browser/ui/settings/reauthentication_module.h"
 #import "ios/chrome/browser/web/chrome_web_test.h"
 #include "ios/chrome/grit/ios_strings.h"
 #include "ios/web/public/test/test_web_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "testing/gtest_mac.h"
 #include "ui/base/l10n/l10n_util.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 @interface MockReauthenticationModule : NSObject<ReauthenticationProtocol>
 
 @property(nonatomic, copy) NSString* localizedReasonForAuthentication;
 
 @end
 
 @implementation MockReauthenticationModule
 
 @synthesize localizedReasonForAuthentication =
     _localizedReasonForAuthentication;
@@ skipping 43 matching lines @@
 int kPasswordItem = 0;
 
 class PasswordDetailsCollectionViewControllerTest
     : public CollectionViewControllerTest {
  protected:
   PasswordDetailsCollectionViewControllerTest()
       : thread_bundle_(web::TestWebThreadBundle::REAL_DB_THREAD) {}
   void SetUp() override {
     CollectionViewControllerTest::SetUp();
     origin_ = @"testorigin.com";
-    delegate_.reset([[MockSavePasswordsCollectionViewController alloc] init]);
-    reauthenticationModule_.reset([[MockReauthenticationModule alloc] init]);
+    delegate_ = [[MockSavePasswordsCollectionViewController alloc] init];
+    reauthenticationModule_ = [[MockReauthenticationModule alloc] init];
   }
 
-  CollectionViewController* NewController() override NS_RETURNS_RETAINED {
+  CollectionViewController* InstantiateController() override {
     return [[PasswordDetailsCollectionViewController alloc]
           initWithPasswordForm:*(new autofill::PasswordForm())
                       delegate:delegate_
         reauthenticationModule:reauthenticationModule_
                       username:kUsername
                       password:kPassword
                         origin:origin_];
   }
 
   void CreateControllerWithOrigin(NSString* test_origin) {
     origin_ = test_origin;
     CreateController();
   }
 
   web::TestWebThreadBundle thread_bundle_;
-  base::scoped_nsobject<MockSavePasswordsCollectionViewController> delegate_;
-  base::scoped_nsobject<MockReauthenticationModule> reauthenticationModule_;
+  MockSavePasswordsCollectionViewController* delegate_;
+  MockReauthenticationModule* reauthenticationModule_;
   NSString* origin_;
 };
 
 TEST_F(PasswordDetailsCollectionViewControllerTest, TestInitialization) {
   CreateController();
   CheckController();
   EXPECT_EQ(2, NumberOfSections());
   // Username section
   EXPECT_EQ(1, NumberOfItemsInSection(kUsernameSection));
   CheckSectionHeaderWithId(IDS_IOS_SHOW_PASSWORD_VIEW_USERNAME,
@@ skipping 42 matching lines @@
   CreateController();
   [controller() collectionView:[controller() collectionView]
       didSelectItemAtIndexPath:[NSIndexPath indexPathForRow:kShowHideButtonItem
                                                   inSection:kPasswordSection]];
   PasswordDetailsItem* passwordItem =
       GetCollectionViewItem(kPasswordSection, kPasswordItem);
   EXPECT_NSEQ(kPassword, passwordItem.text);
   EXPECT_TRUE(passwordItem.showingText);
   EXPECT_NSEQ(
       l10n_util::GetNSString(IDS_IOS_SETTINGS_PASSWORD_REAUTH_REASON_SHOW),
-      reauthenticationModule_.get().localizedReasonForAuthentication);
+      reauthenticationModule_.localizedReasonForAuthentication);
   CheckTextCellTitleWithId(IDS_IOS_SETTINGS_PASSWORD_HIDE_BUTTON,
                            kPasswordSection, kShowHideButtonItem);
 }
 
 TEST_F(PasswordDetailsCollectionViewControllerTest, HidePassword) {
   CreateController();
   // First show the password.
   [controller() collectionView:[controller() collectionView]
       didSelectItemAtIndexPath:[NSIndexPath indexPathForRow:kShowHideButtonItem
                                                   inSection:kPasswordSection]];
@@ skipping 11 matching lines @@
 
 TEST_F(PasswordDetailsCollectionViewControllerTest, CopyPassword) {
   CreateController();
   [controller() collectionView:[controller() collectionView]
       didSelectItemAtIndexPath:[NSIndexPath indexPathForRow:kCopyButtonItem
                                                   inSection:kPasswordSection]];
   UIPasteboard* generalPasteboard = [UIPasteboard generalPasteboard];
   EXPECT_NSEQ(kPassword, generalPasteboard.string);
   EXPECT_NSEQ(
       l10n_util::GetNSString(IDS_IOS_SETTINGS_PASSWORD_REAUTH_REASON_COPY),
-      reauthenticationModule_.get().localizedReasonForAuthentication);
+      reauthenticationModule_.localizedReasonForAuthentication);
 }
 
 TEST_F(PasswordDetailsCollectionViewControllerTest, DeletePassword) {
   CreateController();
   [controller() collectionView:[controller() collectionView]
       didSelectItemAtIndexPath:[NSIndexPath indexPathForRow:kDeleteButtonItem
                                                   inSection:kPasswordSection]];
-  EXPECT_EQ(1, delegate_.get().numberOfCallsToDeletePassword);
+  EXPECT_EQ(1, delegate_.numberOfCallsToDeletePassword);
 }
 
 }  // namespace