-[AutocompleteTextFieldEditor delegate] cleanup

chrome/browser/cocoa/autocomplete_text_field_editor.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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/scoped_nsobject.h"
 #import "chrome/browser/cocoa/url_drop_target.h"
 
+@class AutocompleteTextField;
 class AutocompleteTextFieldObserver;
 class Profile;
 
 // AutocompleteTextFieldEditor customized the AutocompletTextField
 // field editor (helper text-view used in editing).  It intercepts UI
 // events for forwarding to the core Omnibox code.  It also undoes
 // some of the effects of using styled text in the Omnibox (the text
 // is styled but should not appear that way when copied to the
 // pasteboard).
 
 // Field editor used for the autocomplete field.
 @interface AutocompleteTextFieldEditor : NSTextView<URLDropTarget> {
   // Handles being a drag-and-drop target. We handle DnD directly instead
   // allowing the |AutocompletTextField| to handle it (by making an empty
   // |-updateDragTypeRegistration|), since the latter results in a weird
   // start-up time regression.
   scoped_nsobject<URLDropTargetHandler> dropHandler_;
 
   // The browser profile for the editor. Weak.
   Profile* profile_;
 
   scoped_nsobject<NSCharacterSet> forbiddenCharacters_;
 }
 
 @property(nonatomic) Profile* profile;
 
+// The delegate is always an AutocompleteTextField*.  Override the superclass
+// implementations to allow for proper typing.
+- (AutocompleteTextField*)delegate;
+- (void)setDelegate:(AutocompleteTextField*)delegate;
+
 @end
 
 @interface AutocompleteTextFieldEditor(PrivateTestMethods)
 - (AutocompleteTextFieldObserver*)observer;
 - (void)pasteAndGo:sender;
 @end