mac: Stop using __weak.

chrome/browser/ui/cocoa/wrench_menu/wrench_menu_controller.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_WRENCH_MENU_WRENCH_MENU_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_WRENCH_MENU_WRENCH_MENU_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/mac/scoped_nsobject.h"
@@ skipping 110 matching lines @@
   MenuTrackedRootView* zoomItem_;
   NSButton* zoomPlus_;
   NSButton* zoomDisplay_;
   NSButton* zoomMinus_;
   NSButton* zoomFullScreen_;
 
   MenuTrackedRootView* toolbarActionsOverflowItem_;
   BrowserActionsContainerView* overflowActionsContainerView_;
 }
 
-@property(assign, nonatomic) IBOutlet MenuTrackedRootView* editItem;
-@property(assign, nonatomic) IBOutlet NSButton* editCut;
-@property(assign, nonatomic) IBOutlet NSButton* editCopy;
-@property(assign, nonatomic) IBOutlet NSButton* editPaste;
-@property(assign, nonatomic) IBOutlet MenuTrackedRootView* zoomItem;
-@property(assign, nonatomic) IBOutlet NSButton* zoomPlus;
-@property(assign, nonatomic) IBOutlet NSButton* zoomDisplay;
-@property(assign, nonatomic) IBOutlet NSButton* zoomMinus;
-@property(assign, nonatomic) IBOutlet NSButton* zoomFullScreen;
-@property(assign, nonatomic)
+@property(readonly, nonatomic) IBOutlet MenuTrackedRootView* editItem;
+@property(readonly, nonatomic) IBOutlet NSButton* editCut;
+@property(readonly, nonatomic) IBOutlet NSButton* editCopy;
+@property(readonly, nonatomic) IBOutlet NSButton* editPaste;
+@property(readonly, nonatomic) IBOutlet MenuTrackedRootView* zoomItem;
+@property(readonly, nonatomic) IBOutlet NSButton* zoomPlus;
+@property(readonly, nonatomic) IBOutlet NSButton* zoomDisplay;
+@property(readonly, nonatomic) IBOutlet NSButton* zoomMinus;
+@property(readonly, nonatomic) IBOutlet NSButton* zoomFullScreen;
+@property(readonly, nonatomic)
     IBOutlet MenuTrackedRootView* toolbarActionsOverflowItem;
-@property(assign, nonatomic)
+@property(readonly, nonatomic)
     IBOutlet BrowserActionsContainerView* overflowActionsContainerView;
 
 - (id)initWithController:(WrenchMenuController*)controller;
 - (IBAction)dispatchWrenchMenuCommand:(id)sender;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_WRENCH_MENU_WRENCH_MENU_CONTROLLER_H_