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

ios/chrome/browser/payments/payment_request_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/payments/payment_request_view_controller.h"
 
-#import "base/ios/weak_nsobject.h"
 #include "base/mac/foundation_util.h"
-#include "base/mac/objc_property_releaser.h"
-#include "base/mac/scoped_nsobject.h"
+
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/browser/autofill_data_util.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/credit_card.h"
 #include "components/autofill/core/browser/field_types.h"
 #include "components/autofill/core/browser/personal_data_manager.h"
 #include "components/payments/currency_formatter.h"
 #include "components/strings/grit/components_strings.h"
 #import "ios/chrome/browser/payments/cells/page_info_item.h"
@@ skipping 10 matching lines @@
 #include "ios/chrome/browser/ui/rtl_geometry.h"
 #include "ios/chrome/browser/ui/uikit_ui_util.h"
 #include "ios/chrome/grit/ios_strings.h"
 #import "ios/third_party/material_components_ios/src/components/Buttons/src/MaterialButtons.h"
 #import "ios/third_party/material_components_ios/src/components/CollectionCells/src/MaterialCollectionCells.h"
 #import "ios/third_party/material_components_ios/src/components/Typography/src/MaterialTypography.h"
 #import "ios/third_party/material_roboto_font_loader_ios/src/src/MaterialRobotoFontLoader.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 using payment_request_util::NameLabelFromAutofillProfile;
 using payment_request_util::AddressLabelFromAutofillProfile;
 using payment_request_util::PhoneNumberLabelFromAutofillProfile;
 
 NSString* const kPaymentRequestCollectionViewId =
     @"kPaymentRequestCollectionViewId";
 
 namespace {
 
 const CGFloat kButtonEdgeInset = 9;
@@ skipping 15 matching lines @@
   ItemTypeShippingOption,
   ItemTypeSelectShippingOption,
   ItemTypePaymentTitle,
   ItemTypePaymentMethod,
   ItemTypeAddPaymentMethod,
 };
 
 }  // namespace
 
 @interface PaymentRequestViewController () {
-  base::WeakNSProtocol<id<PaymentRequestViewControllerDelegate>> _delegate;
-  base::scoped_nsobject<UIBarButtonItem> _cancelButton;
-  base::scoped_nsobject<MDCFlatButton> _payButton;
+  UIBarButtonItem* _cancelButton;
+  MDCFlatButton* _payButton;
 
   // The PaymentRequest object owning an instance of web::PaymentRequest as
   // provided by the page invoking the Payment Request API. This is a weak
   // pointer and should outlive this class.
   PaymentRequest* _paymentRequest;
 
   PriceItem* _paymentSummaryItem;
   ShippingAddressItem* _selectedShippingAddressItem;
   CollectionViewTextItem* _selectedShippingOptionItem;
   PaymentMethodItem* _selectedPaymentMethodItem;
-
-  base::mac::ObjCPropertyReleaser
-      _propertyReleaser_PaymentRequestViewController;
 }
 
 // Called when the user presses the cancel button.
 - (void)onCancel;
 
 // Called when the user presses the confirm button.
 - (void)onConfirm;
 
 @end
 
 @implementation PaymentRequestViewController
 
 @synthesize pageFavicon = _pageFavicon;
 @synthesize pageTitle = _pageTitle;
 @synthesize pageHost = _pageHost;
+@synthesize delegate = _delegate;
 
 - (instancetype)initWithPaymentRequest:(PaymentRequest*)paymentRequest {
   DCHECK(paymentRequest);
   if ((self = [super initWithStyle:CollectionViewControllerStyleAppBar])) {
-    _propertyReleaser_PaymentRequestViewController.Init(
-        self, [PaymentRequestViewController class]);
-
     [self setTitle:l10n_util::GetNSString(IDS_IOS_PAYMENT_REQUEST_TITLE)];
 
     // Set up left (cancel) button.
-    _cancelButton.reset([[UIBarButtonItem alloc]
+    _cancelButton = [[UIBarButtonItem alloc]
         initWithTitle:l10n_util::GetNSString(
                           IDS_IOS_PAYMENT_REQUEST_CANCEL_BUTTON)
                 style:UIBarButtonItemStylePlain
                target:nil
-               action:@selector(onCancel)]);
+               action:@selector(onCancel)];
     [_cancelButton setTitleTextAttributes:@{
       NSForegroundColorAttributeName : [UIColor lightGrayColor]
     }
                                  forState:UIControlStateDisabled];
     [_cancelButton
         setAccessibilityLabel:l10n_util::GetNSString(IDS_ACCNAME_CANCEL)];
     [self navigationItem].leftBarButtonItem = _cancelButton;
 
     // Set up right (pay) button.
-    _payButton.reset([[MDCFlatButton alloc] init]);
+    _payButton = [[MDCFlatButton alloc] init];
     [_payButton
         setTitle:l10n_util::GetNSString(IDS_IOS_PAYMENT_REQUEST_PAY_BUTTON)
         forState:UIControlStateNormal];
     [_payButton setBackgroundColor:[[MDCPalette cr_bluePalette] tint500]
                           forState:UIControlStateNormal];
     [_payButton setInkColor:[UIColor colorWithWhite:1 alpha:0.2]];
     [_payButton setBackgroundColor:[UIColor grayColor]
                           forState:UIControlStateDisabled];
     [_payButton addTarget:nil
                    action:@selector(onConfirm)
          forControlEvents:UIControlEventTouchUpInside];
     [_payButton sizeToFit];
     [_payButton setEnabled:(paymentRequest->selected_credit_card() != nil)];
     [_payButton setAutoresizingMask:UIViewAutoresizingFlexibleTrailingMargin() |
                                     UIViewAutoresizingFlexibleTopMargin |
                                     UIViewAutoresizingFlexibleBottomMargin];
 
     // The navigation bar will set the rightBarButtonItem's height to the full
     // height of the bar. We don't want that for the button so we use a UIView
     // here to contain the button instead and the button is vertically centered
     // inside the full bar height.
-    UIView* buttonView =
-        [[[UIView alloc] initWithFrame:CGRectZero] autorelease];
+    UIView* buttonView = [[UIView alloc] initWithFrame:CGRectZero];
     [buttonView addSubview:_payButton];
     // Navigation bar button items are aligned with the trailing edge of the
     // screen. Make the enclosing view larger here. The pay button will be
     // aligned with the leading edge of the enclosing view leaving an inset on
     // the trailing edge.
     CGRect buttonViewBounds = buttonView.bounds;
     buttonViewBounds.size.width =
         [_payButton frame].size.width + kButtonEdgeInset;
     buttonView.bounds = buttonViewBounds;
 
     UIBarButtonItem* payButtonItem =
-        [[[UIBarButtonItem alloc] initWithCustomView:buttonView] autorelease];
+        [[UIBarButtonItem alloc] initWithCustomView:buttonView];
     [self navigationItem].rightBarButtonItem = payButtonItem;
 
     _paymentRequest = paymentRequest;
   }
   return self;
 }
 
-- (id<PaymentRequestViewControllerDelegate>)delegate {
-  return _delegate.get();
-}
-
-- (void)setDelegate:(id<PaymentRequestViewControllerDelegate>)delegate {
-  _delegate.reset(delegate);
-}
-
 - (void)onCancel {
   [_delegate paymentRequestViewControllerDidCancel:self];
 }
 
 - (void)onConfirm {
   [_delegate paymentRequestViewControllerDidConfirm:self];
 }
 
 #pragma mark - CollectionViewController methods
 
 - (void)loadModel {
   [super loadModel];
   CollectionViewModel* model = self.collectionViewModel;
 
   // Summary section.
   [model addSectionWithIdentifier:SectionIdentifierSummary];
 
   PageInfoItem* pageInfo =
-      [[[PageInfoItem alloc] initWithType:ItemTypeSummaryPageInfo] autorelease];
+      [[PageInfoItem alloc] initWithType:ItemTypeSummaryPageInfo];
   pageInfo.pageFavicon = _pageFavicon;
   pageInfo.pageTitle = _pageTitle;
   pageInfo.pageHost = _pageHost;
   [model setHeader:pageInfo forSectionWithIdentifier:SectionIdentifierSummary];
 
-  _paymentSummaryItem =
-      [[[PriceItem alloc] initWithType:ItemTypeSummaryTotal] autorelease];
+  _paymentSummaryItem = [[PriceItem alloc] initWithType:ItemTypeSummaryTotal];
   [self fillPaymentSummaryItem:_paymentSummaryItem
                withPaymentItem:_paymentRequest->payment_details().total
          withTotalValueChanged:NO];
   if (!_paymentRequest->payment_details().display_items.empty()) {
     _paymentSummaryItem.accessoryType =
         MDCCollectionViewCellAccessoryDisclosureIndicator;
     _paymentSummaryItem.accessibilityTraits |= UIAccessibilityTraitButton;
   }
   [model addItem:_paymentSummaryItem
       toSectionWithIdentifier:SectionIdentifierSummary];
 
   // Shipping section.
   [model addSectionWithIdentifier:SectionIdentifierShipping];
 
-  CollectionViewTextItem* shippingTitle = [[[CollectionViewTextItem alloc]
-      initWithType:ItemTypeShippingTitle] autorelease];
+  CollectionViewTextItem* shippingTitle =
+      [[CollectionViewTextItem alloc] initWithType:ItemTypeShippingTitle];
   shippingTitle.text =
       payment_request_util::GetShippingSectionTitle(_paymentRequest);
   [model setHeader:shippingTitle
       forSectionWithIdentifier:SectionIdentifierShipping];
 
   CollectionViewItem* shippingAddressItem = nil;
   if (_paymentRequest->selected_shipping_profile()) {
-    _selectedShippingAddressItem = [[[ShippingAddressItem alloc]
-        initWithType:ItemTypeShippingAddress] autorelease];
+    _selectedShippingAddressItem =
+        [[ShippingAddressItem alloc] initWithType:ItemTypeShippingAddress];
     shippingAddressItem = _selectedShippingAddressItem;
     [self fillShippingAddressItem:_selectedShippingAddressItem
                       withAddress:_paymentRequest->selected_shipping_profile()];
     _selectedShippingAddressItem.accessoryType =
         MDCCollectionViewCellAccessoryDisclosureIndicator;
 
   } else {
-    CollectionViewDetailItem* addAddressItem =
-        [[[CollectionViewDetailItem alloc]
-            initWithType:ItemTypeAddShippingAddress] autorelease];
+    CollectionViewDetailItem* addAddressItem = [[CollectionViewDetailItem alloc]
+        initWithType:ItemTypeAddShippingAddress];
     shippingAddressItem = addAddressItem;
     addAddressItem.text =
         payment_request_util::GetShippingAddressSelectorTitle(_paymentRequest);
     addAddressItem.detailText = [l10n_util::GetNSString(
         IDS_IOS_PAYMENT_REQUEST_ADD_SHIPPING_ADDRESS_BUTTON)
         uppercaseStringWithLocale:[NSLocale currentLocale]];
   }
   shippingAddressItem.accessibilityTraits |= UIAccessibilityTraitButton;
   [model addItem:shippingAddressItem
       toSectionWithIdentifier:SectionIdentifierShipping];
 
   CollectionViewItem* shippingOptionItem = nil;
   if (_paymentRequest->selected_shipping_option()) {
-    _selectedShippingOptionItem = [[[CollectionViewTextItem alloc]
-        initWithType:ItemTypeShippingOption] autorelease];
+    _selectedShippingOptionItem =
+        [[CollectionViewTextItem alloc] initWithType:ItemTypeShippingOption];
     shippingOptionItem = _selectedShippingOptionItem;
     [self fillShippingOptionItem:_selectedShippingOptionItem
                       withOption:_paymentRequest->selected_shipping_option()];
     _selectedShippingOptionItem.accessoryType =
         MDCCollectionViewCellAccessoryDisclosureIndicator;
   } else {
     CollectionViewDetailItem* selectShippingOptionItem =
-        [[[CollectionViewDetailItem alloc]
-            initWithType:ItemTypeSelectShippingOption] autorelease];
+        [[CollectionViewDetailItem alloc]
+            initWithType:ItemTypeSelectShippingOption];
     shippingOptionItem = selectShippingOptionItem;
     selectShippingOptionItem.text =
         payment_request_util::GetShippingOptionSelectorTitle(_paymentRequest);
     selectShippingOptionItem.accessoryType =
         MDCCollectionViewCellAccessoryDisclosureIndicator;
   }
   shippingOptionItem.accessibilityTraits |= UIAccessibilityTraitButton;
   [model addItem:shippingOptionItem
       toSectionWithIdentifier:SectionIdentifierShipping];
 
   // Payment method section.
   [model addSectionWithIdentifier:SectionIdentifierPayment];
 
   CollectionViewItem* paymentMethodItem = nil;
   if (_paymentRequest->selected_credit_card()) {
-    CollectionViewTextItem* paymentTitle = [[[CollectionViewTextItem alloc]
-        initWithType:ItemTypePaymentTitle] autorelease];
+    CollectionViewTextItem* paymentTitle =
+        [[CollectionViewTextItem alloc] initWithType:ItemTypePaymentTitle];
     paymentTitle.text =
         l10n_util::GetNSString(IDS_IOS_PAYMENT_REQUEST_PAYMENT_METHOD_HEADER);
     [model setHeader:paymentTitle
         forSectionWithIdentifier:SectionIdentifierPayment];
 
-    _selectedPaymentMethodItem = [[[PaymentMethodItem alloc]
-        initWithType:ItemTypePaymentMethod] autorelease];
+    _selectedPaymentMethodItem =
+        [[PaymentMethodItem alloc] initWithType:ItemTypePaymentMethod];
     paymentMethodItem = _selectedPaymentMethodItem;
     [self fillPaymentMethodItem:_selectedPaymentMethodItem
               withPaymentMethod:_paymentRequest->selected_credit_card()];
     _selectedPaymentMethodItem.accessoryType =
         MDCCollectionViewCellAccessoryDisclosureIndicator;
   } else {
-    CollectionViewDetailItem* addPaymentMethodItem =
-        [[[CollectionViewDetailItem alloc]
-            initWithType:ItemTypeAddPaymentMethod] autorelease];
+    CollectionViewDetailItem* addPaymentMethodItem = [
+        [CollectionViewDetailItem alloc] initWithType:ItemTypeAddPaymentMethod];
     paymentMethodItem = addPaymentMethodItem;
     addPaymentMethodItem.text =
         l10n_util::GetNSString(IDS_IOS_PAYMENT_REQUEST_PAYMENT_METHOD_HEADER);
     addPaymentMethodItem.detailText = [l10n_util::GetNSString(
         IDS_IOS_PAYMENT_REQUEST_ADD_SHIPPING_ADDRESS_BUTTON)
         uppercaseStringWithLocale:[NSLocale currentLocale]];
   }
   paymentMethodItem.accessibilityTraits |= UIAccessibilityTraitButton;
   [model addItem:paymentMethodItem
       toSectionWithIdentifier:SectionIdentifierPayment];
@@ skipping 191 matching lines @@
   NSInteger type = [self.collectionViewModel itemTypeForIndexPath:indexPath];
   if (type == ItemTypeSummaryTotal &&
       _paymentRequest->payment_details().display_items.empty()) {
     return YES;
   } else {
     return NO;
   }
 }
 
 @end