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

ios/chrome/browser/ui/history/tab_history_popup_controller.mm

 // Copyright 2012 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/history/tab_history_popup_controller.h"
 
 #import <QuartzCore/QuartzCore.h>
 
 #include "base/logging.h"
 #include "base/mac/bundle_locations.h"
-#include "base/mac/objc_property_releaser.h"
 #include "base/strings/sys_string_conversions.h"
 #import "ios/chrome/browser/ui/history/tab_history_view_controller.h"
 #import "ios/chrome/browser/ui/popup_menu/popup_menu_view.h"
 #include "ios/chrome/browser/ui/rtl_geometry.h"
 #include "ios/chrome/browser/ui/ui_util.h"
 #import "ios/chrome/common/material_timing.h"
 #import "ios/third_party/material_roboto_font_loader_ios/src/src/MaterialRobotoFontLoader.h"
 #import "ios/web/navigation/crw_session_entry.h"
 #include "ios/web/public/navigation_item.h"
 #import "ui/gfx/ios/NSString+CrStringDrawing.h"
 #include "ui/gfx/ios/uikit_util.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 namespace {
 static const CGFloat kTabHistoryMinWidth = 250.0;
 static const CGFloat kTabHistoryMaxWidthLandscapePhone = 350.0;
 // x coordinate for the textLabel in a default table cell with an image.
 static const CGFloat kCellTextXCoordinate = 60.0;
 // Inset for the shadows of the contained views.
 NS_INLINE UIEdgeInsets TabHistoryPopupMenuInsets() {
   return UIEdgeInsetsMakeDirected(9, 11, 12, 11);
 }
 
 // Layout for popup: shift twelve pixels towards the leading edge.
 LayoutOffset kHistoryPopupLeadingOffset = -12;
 CGFloat kHistoryPopupYOffset = 3;
 // Occupation of the Tools Container as a percentage of the parent height.
 static const CGFloat kHeightPercentage = 0.85;
 }  // anonymous namespace
 
 @interface TabHistoryPopupController () {
   // TableViewController for the table displaying tab history entries.
   TabHistoryViewController* tabHistoryTableViewController_;
 
   // Container view of the history entries table.
   UIView* tabHistoryTableViewContainer_;
-
-  base::mac::ObjCPropertyReleaser propertyReleaser_TabHistoryPopupController_;
 }
 
 // Determines the width for the popup depending on the device, orientation, and
 // CRWSessionEntrys to display.
 - (CGFloat)calculatePopupWidth:(NSArray*)entries;
 
-@property(nonatomic, retain)
+@property(nonatomic, strong)
     TabHistoryViewController* tabHistoryTableViewController;
-@property(nonatomic, retain) UIView* tabHistoryTableViewContainer;
+@property(nonatomic, strong) UIView* tabHistoryTableViewContainer;
 
 @end
 
 @implementation TabHistoryPopupController
 
 @synthesize tabHistoryTableViewController = tabHistoryTableViewController_;
 @synthesize tabHistoryTableViewContainer = tabHistoryTableViewContainer_;
 
 - (id)initWithOrigin:(CGPoint)origin
           parentView:(UIView*)parent
              entries:(NSArray*)entries {
   DCHECK(parent);
   self = [super initWithParentView:parent];
   if (self) {
-    propertyReleaser_TabHistoryPopupController_.Init(
-        self, [TabHistoryPopupController class]);
-
     tabHistoryTableViewController_ = [[TabHistoryViewController alloc] init];
     [tabHistoryTableViewController_ setSessionEntries:entries];
 
     UICollectionView* collectionView =
         [tabHistoryTableViewController_ collectionView];
     [collectionView setAccessibilityIdentifier:@"Tab History"];
 
     tabHistoryTableViewContainer_ = [[UIView alloc] initWithFrame:CGRectZero];
     [tabHistoryTableViewContainer_ layer].cornerRadius = 2;
     [tabHistoryTableViewContainer_ layer].masksToBounds = YES;
@@ skipping 76 matching lines @@
     if (contentWidth > maxWidth)
       return maxWidth;
     if (contentWidth > cellWidth)
       cellWidth = contentWidth;
   }
   return cellWidth;
 }
 
 - (void)dealloc {
   [tabHistoryTableViewContainer_ removeFromSuperview];
-  [super dealloc];
 }
 
 @end