Relieve SyncerSession,SyncCycleState, SyncProcessState, SyncerSession, Syncer...

chrome/browser/sync/engine/download_updates_command.h

 // Copyright (c) 2006-2009 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_ENGINE_DOWNLOAD_UPDATES_COMMAND_H_
 #define CHROME_BROWSER_SYNC_ENGINE_DOWNLOAD_UPDATES_COMMAND_H_
 
 #include "base/basictypes.h"
 #include "chrome/browser/sync/engine/syncer_command.h"
-#include "chrome/browser/sync/engine/syncer_session.h"
 
 namespace browser_sync {
 
-// Downloads updates from the server and places them in the SyncerSession.
+// Downloads updates from the server and places them in the SyncSession.
 class DownloadUpdatesCommand : public SyncerCommand {
  public:
   DownloadUpdatesCommand();
   virtual ~DownloadUpdatesCommand();
-  virtual void ExecuteImpl(SyncerSession* session);
+
+  // SyncerCommand implementation.
+  virtual void ExecuteImpl(sessions::SyncSession* session);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DownloadUpdatesCommand);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_ENGINE_DOWNLOAD_UPDATES_COMMAND_H_