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

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

 // Copyright 2016 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/material_cell_catalog_view_controller.h"
 
 #import <UIKit/UIKit.h>
 
 #import "base/mac/foundation_util.h"
-#import "base/mac/scoped_nsobject.h"
 #include "components/autofill/core/browser/autofill_data_util.h"
 #include "components/autofill/core/browser/credit_card.h"
 #include "components/grit/components_scaled_resources.h"
 #import "ios/chrome/browser/payments/cells/autofill_profile_item.h"
 #import "ios/chrome/browser/payments/cells/payments_text_item.h"
 #import "ios/chrome/browser/payments/cells/price_item.h"
 #import "ios/chrome/browser/ui/authentication/account_control_item.h"
 #import "ios/chrome/browser/ui/authentication/signin_promo_item.h"
 #import "ios/chrome/browser/ui/authentication/signin_promo_view_configurator.h"
 #import "ios/chrome/browser/ui/authentication/signin_promo_view_mediator.h"
@@ skipping 16 matching lines @@
 #import "ios/chrome/browser/ui/settings/cells/native_app_item.h"
 #import "ios/chrome/browser/ui/settings/cells/sync_switch_item.h"
 #import "ios/chrome/browser/ui/settings/cells/text_and_error_item.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 #import "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 #import "ios/public/provider/chrome/browser/signin/signin_resources_provider.h"
 #import "ios/third_party/material_components_ios/src/components/CollectionCells/src/MaterialCollectionCells.h"
 #import "ios/third_party/material_components_ios/src/components/Palettes/src/MaterialPalettes.h"
 #import "ios/third_party/material_components_ios/src/components/Typography/src/MaterialTypography.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 namespace {
 
 typedef NS_ENUM(NSInteger, SectionIdentifier) {
   SectionIdentifierTextCell = kSectionIdentifierEnumZero,
   SectionIdentifierDetailCell,
   SectionIdentifierSwitchCell,
   SectionIdentifierNativeAppCell,
   SectionIdentifierAutofill,
   SectionIdentifierPayments,
   SectionIdentifierAccountCell,
@@ skipping 49 matching lines @@
   return self;
 }
 
 - (void)loadModel {
   [super loadModel];
   CollectionViewModel* model = self.collectionViewModel;
 
   // Text cells.
   [model addSectionWithIdentifier:SectionIdentifierTextCell];
 
-  CollectionViewTextItem* textHeader = [
-      [[CollectionViewTextItem alloc] initWithType:ItemTypeHeader] autorelease];
+  CollectionViewTextItem* textHeader =
+      [[CollectionViewTextItem alloc] initWithType:ItemTypeHeader];
   textHeader.text = @"CollectionViewTextCell";
   textHeader.textFont = [MDCTypography body2Font];
   textHeader.textColor = [[MDCPalette greyPalette] tint500];
   [model setHeader:textHeader
       forSectionWithIdentifier:SectionIdentifierTextCell];
 
-  CollectionViewTextItem* textCell = [[[CollectionViewTextItem alloc]
-      initWithType:ItemTypeTextCheckmark] autorelease];
+  CollectionViewTextItem* textCell =
+      [[CollectionViewTextItem alloc] initWithType:ItemTypeTextCheckmark];
   textCell.text = @"Text cell 1";
   textCell.accessoryType = MDCCollectionViewCellAccessoryCheckmark;
   [model addItem:textCell toSectionWithIdentifier:SectionIdentifierTextCell];
-  CollectionViewTextItem* textCell2 = [[[CollectionViewTextItem alloc]
-      initWithType:ItemTypeTextDetail] autorelease];
+  CollectionViewTextItem* textCell2 =
+      [[CollectionViewTextItem alloc] initWithType:ItemTypeTextDetail];
   textCell2.text =
       @"Text cell with text that is so long it must truncate at some point";
   textCell2.accessoryType = MDCCollectionViewCellAccessoryDetailButton;
   [model addItem:textCell2 toSectionWithIdentifier:SectionIdentifierTextCell];
   CollectionViewTextItem* textCell3 =
-      [[[CollectionViewTextItem alloc] initWithType:ItemTypeText] autorelease];
+      [[CollectionViewTextItem alloc] initWithType:ItemTypeText];
   textCell3.text = @"Truncated text cell with three lines:";
   textCell3.detailText = @"One title line and two detail lines, so it should "
                          @"wrap nicely at some point.";
   textCell3.numberOfDetailTextLines = 0;
   [model addItem:textCell3 toSectionWithIdentifier:SectionIdentifierTextCell];
   CollectionViewTextItem* smallTextCell =
-      [[[CollectionViewTextItem alloc] initWithType:ItemTypeText] autorelease];
+      [[CollectionViewTextItem alloc] initWithType:ItemTypeText];
   smallTextCell.text = @"Text cell with small font but height of 48.";
   smallTextCell.textFont = [smallTextCell.textFont fontWithSize:8];
   [model addItem:smallTextCell
       toSectionWithIdentifier:SectionIdentifierTextCell];
 
   // Text and Error cell.
   TextAndErrorItem* textAndErrorItem =
-      [[[TextAndErrorItem alloc] initWithType:ItemTypeTextError] autorelease];
+      [[TextAndErrorItem alloc] initWithType:ItemTypeTextError];
   textAndErrorItem.text = @"Text and Error cell";
   textAndErrorItem.shouldDisplayError = YES;
   textAndErrorItem.accessoryType =
       MDCCollectionViewCellAccessoryDisclosureIndicator;
   [model addItem:textAndErrorItem
       toSectionWithIdentifier:SectionIdentifierTextCell];
 
   // Detail cells.
   [model addSectionWithIdentifier:SectionIdentifierDetailCell];
-  CollectionViewDetailItem* detailBasic = [[[CollectionViewDetailItem alloc]
-      initWithType:ItemTypeDetailBasic] autorelease];
+  CollectionViewDetailItem* detailBasic =
+      [[CollectionViewDetailItem alloc] initWithType:ItemTypeDetailBasic];
   detailBasic.text = @"Preload Webpages";
   detailBasic.detailText = @"Only on Wi-Fi";
   detailBasic.accessoryType = MDCCollectionViewCellAccessoryDisclosureIndicator;
   [model addItem:detailBasic
       toSectionWithIdentifier:SectionIdentifierDetailCell];
   CollectionViewDetailItem* detailMediumLeft =
-      [[[CollectionViewDetailItem alloc] initWithType:ItemTypeDetailLeftMedium]
-          autorelease];
+      [[CollectionViewDetailItem alloc] initWithType:ItemTypeDetailLeftMedium];
   detailMediumLeft.text = @"A long string but it should fit";
   detailMediumLeft.detailText = @"Detail";
   [model addItem:detailMediumLeft
       toSectionWithIdentifier:SectionIdentifierDetailCell];
   CollectionViewDetailItem* detailMediumRight =
-      [[[CollectionViewDetailItem alloc] initWithType:ItemTypeDetailRightMedium]
-          autorelease];
+      [[CollectionViewDetailItem alloc] initWithType:ItemTypeDetailRightMedium];
   detailMediumRight.text = @"Main";
   detailMediumRight.detailText = @"A long string but it should fit";
   [model addItem:detailMediumRight
       toSectionWithIdentifier:SectionIdentifierDetailCell];
-  CollectionViewDetailItem* detailLongLeft = [[[CollectionViewDetailItem alloc]
-      initWithType:ItemTypeDetailLeftLong] autorelease];
+  CollectionViewDetailItem* detailLongLeft =
+      [[CollectionViewDetailItem alloc] initWithType:ItemTypeDetailLeftLong];
   detailLongLeft.text =
       @"This is a very long main text that is intended to overflow";
   detailLongLeft.detailText = @"Detail Text";
   [model addItem:detailLongLeft
       toSectionWithIdentifier:SectionIdentifierDetailCell];
-  CollectionViewDetailItem* detailLongRight = [[[CollectionViewDetailItem alloc]
-      initWithType:ItemTypeDetailRightLong] autorelease];
+  CollectionViewDetailItem* detailLongRight =
+      [[CollectionViewDetailItem alloc] initWithType:ItemTypeDetailRightLong];
   detailLongRight.text = @"Main Text";
   detailLongRight.detailText =
       @"This is a very long detail text that is intended to overflow";
   [model addItem:detailLongRight
       toSectionWithIdentifier:SectionIdentifierDetailCell];
-  CollectionViewDetailItem* detailLongBoth = [[[CollectionViewDetailItem alloc]
-      initWithType:ItemTypeDetailBothLong] autorelease];
+  CollectionViewDetailItem* detailLongBoth =
+      [[CollectionViewDetailItem alloc] initWithType:ItemTypeDetailBothLong];
   detailLongBoth.text =
       @"This is a very long main text that is intended to overflow";
   detailLongBoth.detailText =
       @"This is a very long detail text that is intended to overflow";
   [model addItem:detailLongBoth
       toSectionWithIdentifier:SectionIdentifierDetailCell];
 
   // Switch cells.
   [model addSectionWithIdentifier:SectionIdentifierSwitchCell];
   [model addItem:[self basicSwitchItem]
       toSectionWithIdentifier:SectionIdentifierSwitchCell];
   [model addItem:[self longTextSwitchItem]
       toSectionWithIdentifier:SectionIdentifierSwitchCell];
   [model addItem:[self syncSwitchItem]
       toSectionWithIdentifier:SectionIdentifierSwitchCell];
 
   // Native app cells.
   [model addSectionWithIdentifier:SectionIdentifierNativeAppCell];
-  NativeAppItem* fooApp =
-      [[[NativeAppItem alloc] initWithType:ItemTypeApp] autorelease];
+  NativeAppItem* fooApp = [[NativeAppItem alloc] initWithType:ItemTypeApp];
   fooApp.name = @"App Foo";
   fooApp.state = NativeAppItemSwitchOff;
   [model addItem:fooApp toSectionWithIdentifier:SectionIdentifierNativeAppCell];
-  NativeAppItem* barApp =
-      [[[NativeAppItem alloc] initWithType:ItemTypeApp] autorelease];
+  NativeAppItem* barApp = [[NativeAppItem alloc] initWithType:ItemTypeApp];
   barApp.name = @"App Bar";
   barApp.state = NativeAppItemSwitchOn;
   [model addItem:barApp toSectionWithIdentifier:SectionIdentifierNativeAppCell];
-  NativeAppItem* bazApp =
-      [[[NativeAppItem alloc] initWithType:ItemTypeApp] autorelease];
+  NativeAppItem* bazApp = [[NativeAppItem alloc] initWithType:ItemTypeApp];
   bazApp.name = @"App Baz Qux Bla Bug Lorem ipsum dolor sit amet";
   bazApp.state = NativeAppItemInstall;
   [model addItem:bazApp toSectionWithIdentifier:SectionIdentifierNativeAppCell];
 
   // Autofill cells.
   [model addSectionWithIdentifier:SectionIdentifierAutofill];
   [model addItem:[self autofillItemWithMainAndTrailingText]
       toSectionWithIdentifier:SectionIdentifierAutofill];
   [model addItem:[self autofillItemWithLeadingTextOnly]
       toSectionWithIdentifier:SectionIdentifierAutofill];
@@ skipping 16 matching lines @@
   [model addItem:[self statusItemError]
       toSectionWithIdentifier:SectionIdentifierAutofill];
   [model addItem:[self storageSwitchItem]
       toSectionWithIdentifier:SectionIdentifierAutofill];
 
   // Payments cells.
   [model addSectionWithIdentifier:SectionIdentifierPayments];
   [model addItem:[self paymentsItemWithWrappingTextandOptionalImage]
       toSectionWithIdentifier:SectionIdentifierPayments];
   PriceItem* priceItem1 =
-      [[[PriceItem alloc] initWithType:ItemTypePaymentsSingleLine] autorelease];
+      [[PriceItem alloc] initWithType:ItemTypePaymentsSingleLine];
   priceItem1.item = @"Total";
   priceItem1.notification = @"Updated";
   priceItem1.price = @"USD $100.00";
   [model addItem:priceItem1 toSectionWithIdentifier:SectionIdentifierPayments];
   PriceItem* priceItem2 =
-      [[[PriceItem alloc] initWithType:ItemTypePaymentsSingleLine] autorelease];
+      [[PriceItem alloc] initWithType:ItemTypePaymentsSingleLine];
   priceItem2.item = @"Price label is long and should get clipped";
   priceItem2.notification = @"Updated";
   priceItem2.price = @"USD $1,000,000.00";
   [model addItem:priceItem2 toSectionWithIdentifier:SectionIdentifierPayments];
   PriceItem* priceItem3 =
-      [[[PriceItem alloc] initWithType:ItemTypePaymentsSingleLine] autorelease];
+      [[PriceItem alloc] initWithType:ItemTypePaymentsSingleLine];
   priceItem3.item = @"Price label is long and should get clipped";
   priceItem3.notification = @"Should get clipped too";
   priceItem3.price = @"USD $1,000,000.00";
   [model addItem:priceItem3 toSectionWithIdentifier:SectionIdentifierPayments];
   PriceItem* priceItem4 =
-      [[[PriceItem alloc] initWithType:ItemTypePaymentsSingleLine] autorelease];
+      [[PriceItem alloc] initWithType:ItemTypePaymentsSingleLine];
   priceItem4.item = @"Price label is long and should get clipped";
   priceItem4.notification = @"Should get clipped too";
   priceItem4.price = @"USD $1,000,000,000.00";
   [model addItem:priceItem4 toSectionWithIdentifier:SectionIdentifierPayments];
 
-  AutofillProfileItem* profileItem1 = [[[AutofillProfileItem alloc]
-      initWithType:ItemTypePaymentsDynamicHeight] autorelease];
+  AutofillProfileItem* profileItem1 =
+      [[AutofillProfileItem alloc] initWithType:ItemTypePaymentsDynamicHeight];
   profileItem1.name = @"Profile Name gets wrapped if it's too long";
   profileItem1.address = @"Profile Address also gets wrapped if it's too long";
   profileItem1.phoneNumber = @"123-456-7890";
   profileItem1.email = @"foo@bar.com";
   profileItem1.notification = @"Some fields are missing";
   [model addItem:profileItem1
       toSectionWithIdentifier:SectionIdentifierPayments];
-  AutofillProfileItem* profileItem2 = [[[AutofillProfileItem alloc]
-      initWithType:ItemTypePaymentsDynamicHeight] autorelease];
+  AutofillProfileItem* profileItem2 =
+      [[AutofillProfileItem alloc] initWithType:ItemTypePaymentsDynamicHeight];
   profileItem1.name = @"All fields are optional";
   profileItem2.phoneNumber = @"123-456-7890";
   profileItem2.notification = @"Some fields are missing";
   [model addItem:profileItem2
       toSectionWithIdentifier:SectionIdentifierPayments];
-  AutofillProfileItem* profileItem3 = [[[AutofillProfileItem alloc]
-      initWithType:ItemTypePaymentsDynamicHeight] autorelease];
+  AutofillProfileItem* profileItem3 =
+      [[AutofillProfileItem alloc] initWithType:ItemTypePaymentsDynamicHeight];
   profileItem3.address = @"All fields are optional";
   profileItem3.email = @"foo@bar.com";
   [model addItem:profileItem3
       toSectionWithIdentifier:SectionIdentifierPayments];
 
   // Account cells.
   [model addSectionWithIdentifier:SectionIdentifierAccountCell];
   [model addItem:[self accountItemDetailWithError]
       toSectionWithIdentifier:SectionIdentifierAccountCell];
   [model addItem:[self accountItemCheckMark]
@@ skipping 121 matching lines @@
       return YES;
     default:
       return NO;
   }
 }
 
 #pragma mark Item models
 
 - (CollectionViewItem*)accountItemDetailWithError {
   CollectionViewAccountItem* accountItemDetail =
-      [[[CollectionViewAccountItem alloc] initWithType:ItemTypeAccountDetail]
-          autorelease];
+      [[CollectionViewAccountItem alloc] initWithType:ItemTypeAccountDetail];
   accountItemDetail.image = [UIImage imageNamed:@"default_avatar"];
   accountItemDetail.text = @"Account User Name";
   accountItemDetail.detailText =
       @"Syncing to AccountUserNameAccount@example.com";
   accountItemDetail.accessoryType =
       MDCCollectionViewCellAccessoryDisclosureIndicator;
   accountItemDetail.shouldDisplayError = YES;
   return accountItemDetail;
 }
 
 - (CollectionViewItem*)accountItemCheckMark {
   CollectionViewAccountItem* accountItemCheckMark =
-      [[[CollectionViewAccountItem alloc] initWithType:ItemTypeAccountCheckMark]
-          autorelease];
+      [[CollectionViewAccountItem alloc] initWithType:ItemTypeAccountCheckMark];
   accountItemCheckMark.image = [UIImage imageNamed:@"default_avatar"];
   accountItemCheckMark.text = @"Lorem ipsum dolor sit amet, consectetur "
                               @"adipiscing elit, sed do eiusmod tempor "
                               @"incididunt ut labore et dolore magna aliqua.";
   accountItemCheckMark.detailText =
       @"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do "
       @"eiusmod tempor incididunt ut labore et dolore magna aliqua.";
   accountItemCheckMark.accessoryType = MDCCollectionViewCellAccessoryCheckmark;
   return accountItemCheckMark;
 }
 
 - (CollectionViewItem*)accountSignInItem {
-  AccountSignInItem* accountSignInItem = [[[AccountSignInItem alloc]
-      initWithType:ItemTypeAccountSignIn] autorelease];
+  AccountSignInItem* accountSignInItem =
+      [[AccountSignInItem alloc] initWithType:ItemTypeAccountSignIn];
   accountSignInItem.image =
       CircularImageFromImage(ios::GetChromeBrowserProvider()
                                  ->GetSigninResourcesProvider()
                                  ->GetDefaultAvatar(),
                              kHorizontalImageFixedSize);
   return accountSignInItem;
 }
 
 - (CollectionViewItem*)coldStateSigninPromoItem {
-  SigninPromoItem* signinPromoItem = [[[SigninPromoItem alloc]
-      initWithType:ItemTypeWarmStateSigninPromo] autorelease];
+  SigninPromoItem* signinPromoItem =
+      [[SigninPromoItem alloc] initWithType:ItemTypeWarmStateSigninPromo];
   signinPromoItem.configurator =
-      [[[SigninPromoViewConfigurator alloc] initWithUserEmail:nil
-                                                 userFullName:nil
-                                                    userImage:nil] autorelease];
+      [[SigninPromoViewConfigurator alloc] initWithUserEmail:nil
+                                                userFullName:nil
+                                                   userImage:nil];
   return signinPromoItem;
 }
 
 - (CollectionViewItem*)warmStateSigninPromoItem {
-  SigninPromoItem* signinPromoItem = [[[SigninPromoItem alloc]
-      initWithType:ItemTypeColdStateSigninPromo] autorelease];
-  signinPromoItem.configurator = [[[SigninPromoViewConfigurator alloc]
+  SigninPromoItem* signinPromoItem =
+      [[SigninPromoItem alloc] initWithType:ItemTypeColdStateSigninPromo];
+  signinPromoItem.configurator = [[SigninPromoViewConfigurator alloc]
       initWithUserEmail:@"jonhdoe@example.com"
            userFullName:@"John Doe"
-              userImage:nil] autorelease];
+              userImage:nil];
   return signinPromoItem;
 }
 
 - (CollectionViewItem*)accountControlItem {
-  AccountControlItem* item = [[[AccountControlItem alloc]
-      initWithType:ItemTypeAccountControlDynamicHeight] autorelease];
+  AccountControlItem* item = [[AccountControlItem alloc]
+      initWithType:ItemTypeAccountControlDynamicHeight];
   item.image = [UIImage imageNamed:@"settings_sync"];
   item.text = @"Account Sync Settings";
   item.detailText = @"Detail text";
   item.accessoryType = MDCCollectionViewCellAccessoryDisclosureIndicator;
   return item;
 }
 
 - (CollectionViewItem*)accountControlItemWithExtraLongText {
-  AccountControlItem* item = [[[AccountControlItem alloc]
-      initWithType:ItemTypeAccountControlDynamicHeight] autorelease];
+  AccountControlItem* item = [[AccountControlItem alloc]
+      initWithType:ItemTypeAccountControlDynamicHeight];
   item.image = [ChromeIcon infoIcon];
   item.text = @"Account Control Settings";
   item.detailText =
       @"Detail text detail text detail text detail text detail text.";
   item.accessoryType = MDCCollectionViewCellAccessoryDisclosureIndicator;
   return item;
 }
 
 #pragma mark Private
 
 - (CollectionViewItem*)basicSwitchItem {
-  CollectionViewSwitchItem* item = [[[CollectionViewSwitchItem alloc]
-      initWithType:ItemTypeSwitchBasic] autorelease];
+  CollectionViewSwitchItem* item =
+      [[CollectionViewSwitchItem alloc] initWithType:ItemTypeSwitchBasic];
   item.text = @"Enable awesomeness.";
   item.on = YES;
   return item;
 }
 
 - (CollectionViewItem*)longTextSwitchItem {
-  CollectionViewSwitchItem* item = [[[CollectionViewSwitchItem alloc]
-      initWithType:ItemTypeSwitchDynamicHeight] autorelease];
+  CollectionViewSwitchItem* item = [[CollectionViewSwitchItem alloc]
+      initWithType:ItemTypeSwitchDynamicHeight];
   item.text = @"Enable awesomeness. This is a very long text that is intended "
               @"to overflow.";
   item.on = YES;
   return item;
 }
 
 - (CollectionViewItem*)syncSwitchItem {
   SyncSwitchItem* item =
-      [[[SyncSwitchItem alloc] initWithType:ItemTypeSwitchSync] autorelease];
+      [[SyncSwitchItem alloc] initWithType:ItemTypeSwitchSync];
   item.text = @"Cell used in Sync Settings";
   item.detailText =
       @"This is a very long text that is intended to overflow to two lines.";
   item.on = NO;
   return item;
 }
 
 - (CollectionViewItem*)paymentsItemWithWrappingTextandOptionalImage {
-  PaymentsTextItem* item = [[[PaymentsTextItem alloc]
-      initWithType:ItemTypePaymentsDynamicHeight] autorelease];
+  PaymentsTextItem* item =
+      [[PaymentsTextItem alloc] initWithType:ItemTypePaymentsDynamicHeight];
   item.text = @"If you want to display a long text that wraps to the next line "
               @"and may need to feature an image this is the cell to use.";
   item.image = [UIImage imageNamed:@"app_icon_placeholder"];
   return item;
 }
 
 - (CollectionViewItem*)autofillItemWithMainAndTrailingText {
-  AutofillDataItem* item = [[[AutofillDataItem alloc]
-      initWithType:ItemTypeAutofillDynamicHeight] autorelease];
+  AutofillDataItem* item =
+      [[AutofillDataItem alloc] initWithType:ItemTypeAutofillDynamicHeight];
   item.text = @"Main Text";
   item.trailingDetailText = @"Trailing Detail Text";
   item.accessoryType = MDCCollectionViewCellAccessoryNone;
   return item;
 }
 
 - (CollectionViewItem*)autofillItemWithLeadingTextOnly {
-  AutofillDataItem* item = [[[AutofillDataItem alloc]
-      initWithType:ItemTypeAutofillDynamicHeight] autorelease];
+  AutofillDataItem* item =
+      [[AutofillDataItem alloc] initWithType:ItemTypeAutofillDynamicHeight];
   item.text = @"Main Text";
   item.leadingDetailText = @"Leading Detail Text";
   item.accessoryType = MDCCollectionViewCellAccessoryDisclosureIndicator;
   return item;
 }
 
 - (CollectionViewItem*)autofillItemWithAllText {
-  AutofillDataItem* item = [[[AutofillDataItem alloc]
-      initWithType:ItemTypeAutofillDynamicHeight] autorelease];
+  AutofillDataItem* item =
+      [[AutofillDataItem alloc] initWithType:ItemTypeAutofillDynamicHeight];
   item.text = @"Main Text";
   item.leadingDetailText = @"Leading Detail Text";
   item.trailingDetailText = @"Trailing Detail Text";
   item.accessoryType = MDCCollectionViewCellAccessoryDisclosureIndicator;
   return item;
 }
 
 - (CollectionViewItem*)autofillEditItem {
-  AutofillEditItem* item = [[[AutofillEditItem alloc]
-      initWithType:ItemTypeAutofillDynamicHeight] autorelease];
+  AutofillEditItem* item =
+      [[AutofillEditItem alloc] initWithType:ItemTypeAutofillDynamicHeight];
   item.textFieldName = @"Required Card Number";
   item.textFieldValue = @"4111111111111111";
   item.textFieldEnabled = YES;
   item.required = YES;
   return item;
 }
 
 - (CollectionViewItem*)autofillEditItemWithIcon {
-  AutofillEditItem* item = [[[AutofillEditItem alloc]
-      initWithType:ItemTypeAutofillDynamicHeight] autorelease];
+  AutofillEditItem* item =
+      [[AutofillEditItem alloc] initWithType:ItemTypeAutofillDynamicHeight];
   item.textFieldName = @"Card Number";
   item.textFieldValue = @"4111111111111111";
   item.textFieldEnabled = YES;
   int resourceID =
       autofill::data_util::GetPaymentRequestData(autofill::kVisaCard)
           .icon_resource_id;
   item.cardTypeIcon =
       ResizeImage(NativeImage(resourceID), CGSizeMake(30.0, 30.0),
                   ProjectionMode::kAspectFillNoClipping);
   return item;
 }
 
 - (CollectionViewItem*)cvcItem {
-  CVCItem* item =
-      [[[CVCItem alloc] initWithType:ItemTypeAutofillCVC] autorelease];
+  CVCItem* item = [[CVCItem alloc] initWithType:ItemTypeAutofillCVC];
   item.instructionsText =
       @"This is a long text explaining to enter card details and what "
       @"will happen afterwards.";
   item.CVCImageResourceID = IDR_CREDIT_CARD_CVC_HINT;
   return item;
 }
 
 - (CollectionViewItem*)cvcItemWithDate {
-  CVCItem* item =
-      [[[CVCItem alloc] initWithType:ItemTypeAutofillCVC] autorelease];
+  CVCItem* item = [[CVCItem alloc] initWithType:ItemTypeAutofillCVC];
   item.instructionsText =
       @"This is a long text explaining to enter card details and what "
       @"will happen afterwards.";
   item.CVCImageResourceID = IDR_CREDIT_CARD_CVC_HINT;
   item.showDateInput = YES;
   return item;
 }
 
 - (CollectionViewItem*)cvcItemWithError {
-  CVCItem* item =
-      [[[CVCItem alloc] initWithType:ItemTypeAutofillCVC] autorelease];
+  CVCItem* item = [[CVCItem alloc] initWithType:ItemTypeAutofillCVC];
   item.instructionsText =
       @"This is a long text explaining to enter card details and what "
       @"will happen afterwards. Is this long enough to span 3 lines?";
   item.errorMessage = @"Some error";
   item.CVCImageResourceID = IDR_CREDIT_CARD_CVC_HINT_AMEX;
   item.showNewCardButton = YES;
   item.showCVCInputError = YES;
   return item;
 }
 
 - (CollectionViewItem*)statusItemVerifying {
-  StatusItem* item =
-      [[[StatusItem alloc] initWithType:ItemTypeAutofillStatus] autorelease];
+  StatusItem* item = [[StatusItem alloc] initWithType:ItemTypeAutofillStatus];
   item.text = @"Verifying…";
   return item;
 }
 
 - (CollectionViewItem*)statusItemVerified {
-  StatusItem* item =
-      [[[StatusItem alloc] initWithType:ItemTypeAutofillStatus] autorelease];
+  StatusItem* item = [[StatusItem alloc] initWithType:ItemTypeAutofillStatus];
   item.state = StatusItemState::VERIFIED;
   item.text = @"Verified!";
   return item;
 }
 
 - (CollectionViewItem*)statusItemError {
-  StatusItem* item =
-      [[[StatusItem alloc] initWithType:ItemTypeAutofillStatus] autorelease];
+  StatusItem* item = [[StatusItem alloc] initWithType:ItemTypeAutofillStatus];
   item.state = StatusItemState::ERROR;
   item.text = @"There was a really long error. We can't tell you more, but we "
               @"will still display this long string.";
   return item;
 }
 
 - (CollectionViewItem*)storageSwitchItem {
-  StorageSwitchItem* item = [[[StorageSwitchItem alloc]
-      initWithType:ItemTypeAutofillStorageSwitch] autorelease];
+  StorageSwitchItem* item =
+      [[StorageSwitchItem alloc] initWithType:ItemTypeAutofillStorageSwitch];
   item.on = YES;
   return item;
 }
 
 - (CollectionViewFooterItem*)shortFooterItem {
-  CollectionViewFooterItem* footerItem = [[[CollectionViewFooterItem alloc]
-      initWithType:ItemTypeFooter] autorelease];
+  CollectionViewFooterItem* footerItem =
+      [[CollectionViewFooterItem alloc] initWithType:ItemTypeFooter];
   footerItem.text = @"Hello";
   return footerItem;
 }
 
 - (CollectionViewFooterItem*)longFooterItem {
-  CollectionViewFooterItem* footerItem = [[[CollectionViewFooterItem alloc]
-      initWithType:ItemTypeFooter] autorelease];
+  CollectionViewFooterItem* footerItem =
+      [[CollectionViewFooterItem alloc] initWithType:ItemTypeFooter];
   footerItem.text = @"Hello Hello Hello Hello Hello Hello Hello Hello Hello "
                     @"Hello Hello Hello Hello Hello Hello Hello Hello Hello "
                     @"Hello Hello Hello Hello Hello Hello Hello Hello Hello ";
   footerItem.image = [UIImage imageNamed:@"app_icon_placeholder"];
   return footerItem;
 }
 
 - (ContentSuggestionsArticleItem*)contentSuggestionsArticleItem {
   ContentSuggestionsArticleItem* articleItem =
       [[ContentSuggestionsArticleItem alloc]
@@ skipping 11 matching lines @@
 - (ContentSuggestionsFooterItem*)contentSuggestionsFooterItem {
   ContentSuggestionsFooterItem* footerItem =
       [[ContentSuggestionsFooterItem alloc]
           initWithType:ItemTypeContentSuggestions
                  title:@"Footer title"
                  block:nil];
   return footerItem;
 }
 
 @end