Prioritize which HTTP requests get a socket first by adding a priority level ...

net/http/http_request_info.h

 // 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.
 
 #ifndef NET_HTTP_HTTP_REQUEST_INFO_H__
 #define NET_HTTP_HTTP_REQUEST_INFO_H__
 
+#include <string>
 #include "base/ref_counted.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/upload_data.h"
 
 namespace net {
 
 class HttpRequestInfo {
  public:
   HttpRequestInfo() : load_flags(0) {
   }
@@ skipping 12 matching lines @@
   std::string user_agent;
 
   // Any extra request headers (\r\n-delimited).
   std::string extra_headers;
 
   // Any upload data.
   scoped_refptr<UploadData> upload_data;
 
   // Any load flags (see load_flags.h).
   int load_flags;
+
+  // The priority level for this request.
+  int priority;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_REQUEST_INFO_H__