Cleanup: Remove unneeded base/file_util.h includes in chrome_frame, courgette, ipc, media, and net.

net/base/upload_element.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 "net/base/upload_element.h"
 
 #include <algorithm>
 
-#include "base/file_util.h"
-#include "base/threading/thread_restrictions.h"
 #include "net/base/file_stream.h"
 #include "net/base/net_errors.h"
 
 namespace net {
 
 UploadElement::UploadElement()
     : type_(TYPE_BYTES),
       bytes_start_(NULL),
       bytes_length_(0),
       file_range_offset_(0),
       file_range_length_(kuint64max) {
 }
 
 UploadElement::~UploadElement() {
 }
 
 }  // namespace net