Initial implementation of the ByteStream refactor.

content/browser/download/download_create_info.h

 // 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.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_CREATE_INFO_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_CREATE_INFO_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/time.h"
 #include "content/browser/download/download_file.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/download_id.h"
 #include "content/public/browser/download_save_info.h"
 #include "content/public/common/page_transition_types.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/net_log.h"
 
+namespace content {
+class ByteStream;
+}
+
 // Used for informing the download manager of a new download, since we don't
 // want to pass |DownloadItem|s between threads.
 struct CONTENT_EXPORT DownloadCreateInfo {
   DownloadCreateInfo(const base::Time& start_time,
                      int64 received_bytes,
                      int64 total_bytes,
                      int32 state,
                      const net::BoundNetLog& bound_net_log,
                      bool has_user_gesture,
                      content::PageTransition transition_type);
@@ skipping 64 matching lines @@
   // It's used to construct a suggested filename.
   std::string referrer_charset;
 
   // The download file save info.
   content::DownloadSaveInfo save_info;
 
   // The remote IP address where the download was fetched from.  Copied from
   // UrlRequest::GetSocketAddress().
   std::string remote_address;
 
+  // Pipe through which we will send data downstream.
+  scoped_refptr<content::ByteStream> pipe;
+
   // The request's |BoundNetLog|, for "source_dependency" linking with the
   // download item's.
   const net::BoundNetLog request_bound_net_log;
 };
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_CREATE_INFO_H_