chrome: Cleanup class/struct forward declarations

chrome/browser/signin/easy_unlock_service_regular.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 CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_REGULAR_H_
 #define CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_REGULAR_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 22 matching lines @@
 class CryptAuthEnrollmentManager;
 class CryptAuthGCMManager;
 class ToggleEasyUnlockResponse;
 }
 
 namespace proximity_auth {
 class ProximityAuthPrefManager;
 class RemoteDeviceLoader;
 }
 
-class EasyUnlockAppManager;
-class EasyUnlockToggleFlow;
 class Profile;
 
 // EasyUnlockService instance that should be used for regular, non-signin
 // profiles.
 class EasyUnlockServiceRegular
     : public EasyUnlockService,
       public proximity_auth::ScreenlockBridge::Observer,
       public cryptauth::CryptAuthDeviceManager::Observer,
       public OAuth2TokenService::Observer {
  public:
@@ skipping 136 matching lines @@
   // this deferment prevents the lock screen from being changed by a network
   // event.
   bool deferring_device_load_;
 
   base::WeakPtrFactory<EasyUnlockServiceRegular> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockServiceRegular);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_REGULAR_H_