components: Cleanup class/struct fwd declarations

components/signin/core/browser/account_reconcilor.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 COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_RECONCILOR_H_
 #define COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_RECONCILOR_H_
 
 #include <deque>
 #include <functional>
 #include <memory>
 #include <set>
@@ skipping 13 matching lines @@
 #include "components/signin/core/browser/signin_client.h"
 #include "components/signin/core/browser/signin_header_helper.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "components/signin/core/browser/signin_metrics.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "google_apis/gaia/oauth2_token_service.h"
 
 class ProfileOAuth2TokenService;
 class SigninClient;
 
-namespace net {
-class CanonicalCookie;
-}
-
 class AccountReconcilor : public KeyedService,
                           public content_settings::Observer,
                           public GaiaCookieManagerService::Observer,
                           public OAuth2TokenService::Observer,
                           public SigninManagerBase::Observer {
  public:
   AccountReconcilor(ProfileOAuth2TokenService* token_service,
                     SigninManagerBase* signin_manager,
                     SigninClient* client,
                     GaiaCookieManagerService* cookie_manager_service);
@@ skipping 150 matching lines @@
   // These members are used to validate the tokens in OAuth2TokenService.
   std::string primary_account_;
   std::vector<std::string> chrome_accounts_;
   std::vector<std::string> add_to_cookie_;
   bool chrome_accounts_changed_;
 
   DISALLOW_COPY_AND_ASSIGN(AccountReconcilor);
 };
 
 #endif  // COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_RECONCILOR_H_