Reduce header dependencies in net/

net/url_request/url_request_file_dir_job.cc

 // Copyright (c) 2006-2008 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/url_request/url_request_file_dir_job.h"
 
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "googleurl/src/gurl.h"
+#include "net/base/io_buffer.h"
 #include "net/base/net_util.h"
 #include "net/url_request/url_request.h"
 
 #if defined(OS_POSIX)
 #include <sys/stat.h>
 #endif
 
 using std::string;
 
 URLRequestFileDirJob::URLRequestFileDirJob(URLRequest* request,
@@ skipping 190 matching lines @@
     GURL::Replacements replacements;
     replacements.SetPathStr(new_path);
 
     *location = request_->url().ReplaceComponents(replacements);
     *http_status_code = 301;  // simulate a permanent redirect
     return true;
   }
 
   return false;
 }