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

ios/chrome/browser/ui/bookmarks/bookmark_menu_cell.mm

 // Copyright 2014 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/bookmarks/bookmark_menu_cell.h"
 
-#include "base/mac/objc_property_releaser.h"
-#include "base/mac/scoped_nsobject.h"
 #import "ios/chrome/browser/ui/bookmarks/bookmark_menu_item.h"
 #import "ios/chrome/browser/ui/bookmarks/bookmark_utils_ios.h"
 #include "ios/chrome/browser/ui/rtl_geometry.h"
 #include "ios/chrome/browser/ui/ui_util.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 #import "ios/third_party/material_components_ios/src/components/Ink/src/MaterialInk.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 {
 CGFloat kTrailingMargin = 16.0;
 }  // namespace
 
-@interface BookmarkMenuCell () {
-  base::mac::ObjCPropertyReleaser _propertyReleaser_BookmarkMenuCell;
-}
+@interface BookmarkMenuCell ()
 // Set to YES if the cell can be selected.
 @property(nonatomic, assign) BOOL isSelectable;
 // Set to YES if the cell should animate on selection.
 @property(nonatomic, assign) BOOL shouldAnimateHighlight;
 // Icon view.
-@property(nonatomic, assign) UIImageView* iconView;
+@property(nonatomic, weak) UIImageView* iconView;
 // Text label.
-@property(nonatomic, assign) UILabel* itemLabel;
+@property(nonatomic, weak) UILabel* itemLabel;
 // Separator view. Displayed at 1 pixel height on top for some cells.
-@property(nonatomic, assign) UIView* separatorView;
+@property(nonatomic, weak) UIView* separatorView;
 @end
 
 @implementation BookmarkMenuCell
 @synthesize isSelectable = _isSelectable;
 @synthesize shouldAnimateHighlight = _shouldAnimateHighlight;
 @synthesize iconView = _iconView;
 @synthesize itemLabel = _itemLabel;
 @synthesize separatorView = _separatorView;
 @synthesize inkView = _inkView;
 
 - (instancetype)initWithStyle:(UITableViewCellStyle)style
               reuseIdentifier:(NSString*)reuseIdentifier {
   self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
   if (self) {
-    _propertyReleaser_BookmarkMenuCell.Init(self, [BookmarkMenuCell class]);
-
     // Create icon view.
-    base::scoped_nsobject<UIImageView> iconView([[UIImageView alloc] init]);
+    UIImageView* iconView = [[UIImageView alloc] init];
     _iconView = iconView;
 
     // Create item label.
-    base::scoped_nsobject<UILabel> itemLabel([[UILabel alloc] init]);
+    UILabel* itemLabel = [[UILabel alloc] init];
     _itemLabel = itemLabel;
 
     self.contentView.layoutMargins = UIEdgeInsetsMakeDirected(
         0, bookmark_utils_ios::menuMargin, 0, kTrailingMargin);
 
     // Create stack view.
-    UIStackView* contentStack = [[[UIStackView alloc]
-        initWithArrangedSubviews:@[ iconView, itemLabel ]] autorelease];
+    UIStackView* contentStack =
+        [[UIStackView alloc] initWithArrangedSubviews:@[ iconView, itemLabel ]];
     [self.contentView addSubview:contentStack];
 
     contentStack.spacing = bookmark_utils_ios::titleToIconDistance;
     contentStack.alignment = UIStackViewAlignmentCenter;
 
     // Configure stack view layout.
     contentStack.translatesAutoresizingMaskIntoConstraints = NO;
     UIView* contentView = self.contentView;
 
     UILayoutGuide* marginsGuide = contentView.layoutMarginsGuide;
     [NSLayoutConstraint activateConstraints:@[
       [contentStack.centerYAnchor
           constraintEqualToAnchor:contentView.centerYAnchor],
       [contentStack.leadingAnchor
           constraintEqualToAnchor:marginsGuide.leadingAnchor],
       [contentStack.trailingAnchor
           constraintLessThanOrEqualToAnchor:marginsGuide.trailingAnchor]
     ]];
 
     // Create the ink view.
     _inkView = [[MDCInkView alloc] initWithFrame:self.bounds];
     [self addSubview:_inkView];
 
     // Add separator view.
-    base::scoped_nsobject<UIView> separatorView(
-        [[UIView alloc] initWithFrame:CGRectZero]);
+    UIView* separatorView = [[UIView alloc] initWithFrame:CGRectZero];
     [self.contentView addSubview:separatorView];
     _separatorView = separatorView;
 
     CGFloat pixelSize = 1 / [[UIScreen mainScreen] scale];
     [NSLayoutConstraint activateConstraints:@[
       [_separatorView.leadingAnchor
           constraintEqualToAnchor:contentView.leadingAnchor],
       [_separatorView.trailingAnchor
           constraintEqualToAnchor:contentView.trailingAnchor],
       [_separatorView.heightAnchor constraintEqualToConstant:pixelSize],
@@ skipping 67 matching lines @@
   // If there is no icon, hide the icon image view so that stack view redraws
   // without the icon, and vice versa.
   self.iconView.hidden = (self.iconView.image == nil);
 }
 
 + (NSString*)reuseIdentifier {
   return @"BookmarkMenuCell";
 }
 
 @end