[Sync] Move 'sync' target to sync/

chrome/browser/sync/engine/syncer_command.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.
-
-#ifndef CHROME_BROWSER_SYNC_ENGINE_SYNCER_COMMAND_H_
-#define CHROME_BROWSER_SYNC_ENGINE_SYNCER_COMMAND_H_
-#pragma once
-
-#include "base/basictypes.h"
-
-#include "chrome/browser/sync/internal_api/includes/syncer_error.h"
-
-namespace browser_sync {
-
-namespace sessions {
-class SyncSession;
-}
-
-// Implementation of a simple command pattern intended to be driven by the
-// Syncer. SyncerCommand is abstract and all subclasses must implement
-// ExecuteImpl(). This is done so that chunks of syncer operation can be unit
-// tested.
-//
-// Example Usage:
-//
-//   SyncSession session = ...;
-//   SyncerCommand *cmd = SomeCommandFactory.createCommand(...);
-//   cmd->Execute(session);
-//   delete cmd;
-
-class SyncerCommand {
- public:
-  SyncerCommand();
-  virtual ~SyncerCommand();
-
-  // Execute dispatches to a derived class's ExecuteImpl.
-  SyncerError Execute(sessions::SyncSession* session);
-
-  // ExecuteImpl is where derived classes actually do work.
-  virtual SyncerError ExecuteImpl(sessions::SyncSession* session) = 0;
- private:
-  void SendNotifications(sessions::SyncSession* session);
-  DISALLOW_COPY_AND_ASSIGN(SyncerCommand);
-};
-
-}  // namespace browser_sync
-
-#endif  // CHROME_BROWSER_SYNC_ENGINE_SYNCER_COMMAND_H_