Mac/clang: Possibly contentious changes.

chrome/browser/cocoa/bookmark_editor_controller.h

 // Copyright (c) 2010 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_COCOA_BOOKMARK_EDITOR_CONTROLLER_H_
 #define CHROME_BROWSER_COCOA_BOOKMARK_EDITOR_CONTROLLER_H_
 
 #import "chrome/browser/cocoa/bookmark_editor_base_controller.h"
 
 // A controller for the bookmark editor, opened by 1) Edit... from the
 // context menu of a bookmark button, and 2) Bookmark this Page...'s Edit
 // button.
 @interface BookmarkEditorController : BookmarkEditorBaseController {
  @private
   const BookmarkNode* node_;  // weak; owned by the model
   scoped_nsobject<NSString> initialUrl_;
   NSString* displayURL_;  // Bound to a text field in the dialog.
   IBOutlet NSTextField* urlField_;
 }
 
-@property (copy) NSString* displayURL;
+@property (nonatomic, copy) NSString* displayURL;
 
 - (id)initWithParentWindow:(NSWindow*)parentWindow
                    profile:(Profile*)profile
                     parent:(const BookmarkNode*)parent
                       node:(const BookmarkNode*)node
              configuration:(BookmarkEditor::Configuration)configuration;
 
 @end
 
 @interface BookmarkEditorController (UnitTesting)
 - (NSColor *)urlFieldColor;
 @end
 
 #endif  // CHROME_BROWSER_COCOA_BOOKMARK_EDITOR_CONTROLLER_H_