net: Cleanup class/struct forward declarations

net/cookies/cookie_store.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.
 
 // Brought to you by number 42.
 
 #ifndef NET_COOKIES_COOKIE_STORE_H_
 #define NET_COOKIES_COOKIE_STORE_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/callback_list.h"
 #include "base/time/time.h"
 #include "net/base/net_export.h"
 #include "net/cookies/canonical_cookie.h"
 #include "net/cookies/cookie_options.h"
 
 class GURL;
 
 namespace net {
 
-class CookieMonster;
-
 // An interface for storing and retrieving cookies. Implementations are not
 // thread safe, as with most other net classes. All methods must be invoked on
 // the network thread, and all callbacks will be calle there.
 //
 // All async functions may either invoke the callback asynchronously, or they
 // may be invoked immediately (prior to return of the asynchronous function).
 // Destroying the CookieStore will cancel pending async callbacks.
 class NET_EXPORT CookieStore {
  public:
   // The publicly relevant reasons a cookie might be changed.
@@ skipping 201 matching lines @@
   int GetChannelIDServiceID();
 
  protected:
   CookieStore();
   int channel_id_service_id_;
 };
 
 }  // namespace net
 
 #endif  // NET_COOKIES_COOKIE_STORE_H_