FBTF: Remove "obviously" unneeded standard C++ library #includes.

chrome/installer/util/create_dir_work_item.h

 // Copyright (c) 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_INSTALLER_UTIL_CREATE_DIR_WORK_ITEM_H_
 #define CHROME_INSTALLER_UTIL_CREATE_DIR_WORK_ITEM_H_
 #pragma once
 
-#include <string>
 #include <windows.h>
 
 #include "base/file_path.h"
 #include "chrome/installer/util/work_item.h"
 
 // A WorkItem subclass that creates a directory with the specified path.
 // It also creates all necessary intermediate paths if they do not exist.
 class CreateDirWorkItem : public WorkItem {
  public:
   virtual ~CreateDirWorkItem();
@@ skipping 19 matching lines @@
   // Path of the directory to be created.
   FilePath path_;
 
   // The top most directory that needs to be created.
   FilePath top_path_;
 
   bool rollback_needed_;
 };
 
 #endif  // CHROME_INSTALLER_UTIL_CREATE_DIR_WORK_ITEM_H_