No media-file validation mode for DeviceMediaAsyncUtil.

chrome/browser/media_galleries/fileapi/media_file_system_backend.cc

 // Copyright (c) 2013 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 "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
@@ skipping 109 matching lines @@
 MediaFileSystemBackend::MediaFileSystemBackend(
     const base::FilePath& profile_path,
     base::SequencedTaskRunner* media_task_runner)
     : profile_path_(profile_path),
       media_task_runner_(media_task_runner),
       media_path_filter_(new MediaPathFilter),
       media_copy_or_move_file_validator_factory_(new MediaFileValidatorFactory),
       native_media_file_util_(
           new NativeMediaFileUtil(media_path_filter_.get())),
       device_media_async_file_util_(
-          DeviceMediaAsyncFileUtil::Create(profile_path_))
+          DeviceMediaAsyncFileUtil::Create(profile_path_,
+                                           APPLY_MEDIA_FILE_VALIDATION))
 #if defined(OS_WIN) || defined(OS_MACOSX)
       ,
       picasa_file_util_(new picasa::PicasaFileUtil(media_path_filter_.get())),
       itunes_file_util_(new itunes::ITunesFileUtil(media_path_filter_.get()))
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 #if defined(OS_MACOSX)
       ,
       iphoto_file_util_(new iphoto::IPhotoFileUtil(media_path_filter_.get()))
 #endif  // defined(OS_MACOSX)
 {
@@ skipping 204 matching lines @@
           url.path(),
           offset,
           fileapi::FileStreamWriter::OPEN_EXISTING_FILE));
 }
 
 fileapi::FileSystemQuotaUtil*
 MediaFileSystemBackend::GetQuotaUtil() {
   // No quota support.
   return NULL;
 }