Initial implementation of the ByteStream refactor.

content/browser/download/download_create_info.h

Index: content/browser/download/download_create_info.h
diff --git a/content/browser/download/download_create_info.h b/content/browser/download/download_create_info.h
index 3fb630540624636ef9e3a77c13041e4c98c98fe7..cfb5c88eb9e99e1ebce5222e94956d95d8d01ae2 100644
--- a/content/browser/download/download_create_info.h
+++ b/content/browser/download/download_create_info.h
@@ -20,6 +20,10 @@
 #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 {
@@ -104,6 +108,9 @@ struct CONTENT_EXPORT DownloadCreateInfo {
   // 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;