Discard duplicate includes of files from storage

storage/browser/fileapi/native_file_util.cc

 // 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.
 
 #include "storage/browser/fileapi/native_file_util.h"
 
-#include "base/files/file.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
-#include "base/memory/scoped_ptr.h"
 #include "storage/browser/fileapi/file_system_operation_context.h"
 #include "storage/browser/fileapi/file_system_url.h"
 #include "storage/common/fileapi/file_system_mount_option.h"
 
 namespace storage {
 
 namespace {
 
 // Sets permissions on directory at |dir_path| based on the target platform.
 // Returns true on success, or false otherwise.
@@ skipping 288 matching lines @@
   if (!base::DirectoryExists(path))
     return base::File::FILE_ERROR_NOT_A_DIRECTORY;
   if (!base::IsDirectoryEmpty(path))
     return base::File::FILE_ERROR_NOT_EMPTY;
   if (!base::DeleteFile(path, false))
     return base::File::FILE_ERROR_FAILED;
   return base::File::FILE_OK;
 }
 
 }  // namespace storage