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

ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.h

 // 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.
 
 #ifndef IOS_CHROME_BROWSER_UI_TOOLS_MENU_TOOLS_MENU_VIEW_CONTROLLER_H_
 #define IOS_CHROME_BROWSER_UI_TOOLS_MENU_TOOLS_MENU_VIEW_CONTROLLER_H_
 
 #import <UIKit/UIKit.h>
 
 @class ToolsMenuConfiguration;
@@ skipping 35 matching lines @@
 
 // A table view with two icons in the first row and regular text cells in
 // subsequent rows.
 // For each icon and item in the menu there is a corresponding delegate method.
 @interface ToolsMenuViewController : UIViewController
 // Keeps track of the state (Bookmarked or not) of the current visible page.
 // This is used to alter the state of the popup menu (i.e. Add/Edit bookmark).
 @property(nonatomic, assign) BOOL isCurrentPageBookmarked;
 @property(nonatomic, assign) BOOL isTabLoading;
 // The tool button to be shown hovering above the popup.
-@property(nonatomic, readonly) UIButton* toolsButton;
+@property(nonatomic, readonly, weak) UIButton* toolsButton;

[stkhapugin, 2017/06/15 15:43:55]

nit: this probably is strong

[marq (ping after 24h), 2017/06/16 12:11:14]

No, it's a property that exposes (and mutates as a side effect) a button owned
by another object.

 
 // Keeps track of the items in tools menu.
 @property(nonatomic, copy) NSArray* menuItems;
 
-@property(nonatomic, assign) id<ToolsPopupTableDelegate> delegate;
+@property(nonatomic, weak) id<ToolsPopupTableDelegate> delegate;
 
 // Initializes the Tools popup menu.
 - (void)initializeMenuWithConfiguration:(ToolsMenuConfiguration*)configuration;
 
 // Returns the optimal height needed to display the menu items.
 // The height returned is usually less than the |suggestedHeight| unless
 // the last row of the menu puts the height just over the |suggestedHeight|.
 // If the Tools menu items is taller than the |suggestedHeight| by at least
 // one menu item, the last visible menu item will be shown partially so user
 // can tell that the Tools menu is scrollable.
@@ skipping 18 matching lines @@
 // Informs tools popup menu whether the switch to reader mode is possible.
 - (void)setCanUseReaderMode:(BOOL)enabled;
 
 - (void)animateContentIn;
 
 - (void)hideContent;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_TOOLS_MENU_TOOLS_MENU_VIEW_CONTROLLER_H_