chrome: Cleanup class/struct forward declarations

chrome/browser/profiles/avatar_menu.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_PROFILES_AVATAR_MENU_H_
 #define CHROME_BROWSER_PROFILES_AVATAR_MENU_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 11 matching lines @@
 #include "content/public/browser/web_contents_observer.h"
 #include "ui/gfx/image/image.h"
 
 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
 #include "chrome/browser/supervised_user/supervised_user_service_observer.h"
 #endif
 
 class AvatarMenuActions;
 class AvatarMenuObserver;
 class Browser;
-class Profile;
 class ProfileAttributesStorage;
 class ProfileList;
 class SupervisedUserService;
 
 // This class represents the menu-like interface used to select profiles,
 // such as the bubble that appears when the avatar icon is clicked in the
 // browser window frame. This class will notify its observer when the backend
 // data changes, and the view for this model should forward actions
 // back to it in response to user events.
 class AvatarMenu :
@@ skipping 145 matching lines @@
   // The observer of this model, which is notified of changes. Weak.
   AvatarMenuObserver* observer_;
 
   // Browser in which this avatar menu resides. Weak.
   Browser* browser_;
 
   DISALLOW_COPY_AND_ASSIGN(AvatarMenu);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_AVATAR_MENU_H_