Remove fileapi::FileSystemFileUtil dependency in media gallery code

chrome/browser/media_galleries/fileapi/itunes_file_util.cc

 // Copyright 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/itunes_file_util.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/media_galleries/fileapi/itunes_data_provider.h"
 #include "chrome/browser/media_galleries/fileapi/media_path_filter.h"
 #include "chrome/browser/media_galleries/imported_media_gallery_registry.h"
 #include "content/public/browser/browser_thread.h"
-#include "webkit/browser/fileapi/file_system_file_util.h"
 #include "webkit/browser/fileapi/file_system_operation_context.h"
 #include "webkit/browser/fileapi/file_system_url.h"
 #include "webkit/browser/fileapi/native_file_util.h"
 #include "webkit/common/blob/shareable_file_reference.h"
 #include "webkit/common/fileapi/file_system_util.h"
 
 using fileapi::DirectoryEntry;
 
 namespace itunes {
 
@@ skipping 341 matching lines @@
                                                             callback);
 }
 
 ITunesDataProvider* ITunesFileUtil::GetDataProvider() {
   if (!imported_registry_)
     imported_registry_ = ImportedMediaGalleryRegistry::GetInstance();
   return imported_registry_->ITunesDataProvider();
 }
 
 }  // namespace itunes