Cleanup: Remove unneeded forward declarations in chrome/browser/sync.

chrome/browser/sync/profile_sync_factory.h

 // Copyright (c) 2011 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_SYNC_PROFILE_SYNC_FACTORY_H__
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_FACTORY_H__
 #pragma once
 
 #include <string>
 #include <utility>
 
 #include "base/task.h"
 #include "chrome/browser/sync/glue/change_processor.h"
 #include "chrome/browser/sync/glue/data_type_controller.h"
 #include "chrome/browser/sync/glue/model_associator.h"
 #include "chrome/browser/sync/unrecoverable_error_handler.h"
 
 class PasswordStore;
-class PersonalDataManager;
 class ProfileSyncService;
 class SyncableService;
-class WebDatabase;
 class WebDataService;
 
 namespace browser_sync {
 class DataTypeManager;
 class GenericChangeProcessor;
 class SharedChangeProcessor;
 class SyncBackendHost;
 class UnrecoverableErrorHandler;
 }
 
@@ skipping 141 matching lines @@
 
   // Instantiates both a model associator and change processor for the app
   // notification data type.  The pointers in the return struct are owned by the
   // caller.
   virtual SyncComponents CreateAppNotificationSyncComponents(
       ProfileSyncService* profile_sync_service,
       browser_sync::UnrecoverableErrorHandler* error_handler) = 0;
 };
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_FACTORY_H__