Refactor following sync commit loop change

sync/engine/process_commit_response_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 SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_
 #define SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 43 matching lines @@
   ProcessCommitResponseCommand(
       const sessions::OrderedCommitSet& commit_set,
       const ClientToServerMessage& commit_message,
       const ClientToServerResponse& commit_response);
   virtual ~ProcessCommitResponseCommand();
 
  protected:
   // ModelChangingSyncerCommand implementation.
   virtual std::set<ModelSafeGroup> GetGroupsToChange(
       const sessions::SyncSession& session) const OVERRIDE;
-  virtual SyncerError ModelNeutralExecuteImpl(
-      sessions::SyncSession* session) OVERRIDE;
   virtual SyncerError ModelChangingExecuteImpl(
       sessions::SyncSession* session) OVERRIDE;
 
  private:
   CommitResponse::ResponseType ProcessSingleCommitResponse(
       syncable::WriteTransaction* trans,
       const sync_pb::CommitResponse_EntryResponse& pb_commit_response,
       const sync_pb::SyncEntity& pb_committed_entry,
       const syncable::Id& pre_commit_id,
       std::set<syncable::Id>* deleted_folders);
@@ skipping 53 matching lines @@
   const sessions::OrderedCommitSet& commit_set_;
   const ClientToServerMessage& commit_message_;
   const ClientToServerResponse& commit_response_;
 
   DISALLOW_COPY_AND_ASSIGN(ProcessCommitResponseCommand);
 };
 
 }  // namespace browser_sync
 
 #endif  // SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_