Revert of [ObjC ARC] Converts ios/chrome/browser/ui/bookmarks:bookmarks_arc_2 to ARC.

ios/chrome/browser/ui/bookmarks/bookmark_folder_editor_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_BOOKMARKS_BOOKMARK_FOLDER_EDITOR_VIEW_CONTROLLER_H_
 #define IOS_CHROME_BROWSER_UI_BOOKMARKS_BOOKMARK_FOLDER_EDITOR_VIEW_CONTROLLER_H_
 
 #import <UIKit/UIKit.h>
 
 #import "ios/chrome/browser/ui/collection_view/collection_view_controller.h"
 
@@ skipping 21 matching lines @@
 - (void)bookmarkFolderEditorDidCancel:
     (BookmarkFolderEditorViewController*)folderEditor;
 @end
 
 // View controller for creating or editing a bookmark folder. Allows editing of
 // the title and selecting the parent folder of the bookmark.
 // This controller monitors the state of the bookmark model, so changes to the
 // bookmark model can affect this controller's state.
 @interface BookmarkFolderEditorViewController : CollectionViewController
 
-@property(nonatomic, weak) id<BookmarkFolderEditorViewControllerDelegate>
+@property(nonatomic, assign) id<BookmarkFolderEditorViewControllerDelegate>
     delegate;
 
 // Designated factory methods.
 
 // Returns a view controller set to create a new folder in |parentFolder|.
 // If |parentFolder| is NULL, a default parent will be set.
 // |bookmarkModel| must not be NULL and must be loaded.
 + (instancetype)
 folderCreatorWithBookmarkModel:(bookmarks::BookmarkModel*)bookmarkModel
                   parentFolder:(const bookmarks::BookmarkNode*)parentFolder;
 
 // |bookmarkModel| must not be null and must be loaded.
 // |folder| must not be NULL and be editable.
 // |browserState| must not be null.
 + (instancetype)
 folderEditorWithBookmarkModel:(bookmarks::BookmarkModel*)bookmarkModel
                        folder:(const bookmarks::BookmarkNode*)folder
                  browserState:(ios::ChromeBrowserState*)browserState;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_BOOKMARKS_BOOKMARK_FOLDER_EDITOR_VIEW_CONTROLLER_H_