Add request_id to HttpRequestInfo and pass it to the NetworkDelegate for events.

net/http/http_network_transaction.h

 // Copyright (c) 2010 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_NETWORK_TRANSACTION_H_
 #define NET_HTTP_HTTP_NETWORK_TRANSACTION_H_
 #pragma once
 
 #include <string>
 
@@ skipping 76 matching lines @@
 
   enum State {
     STATE_CREATE_STREAM,
     STATE_CREATE_STREAM_COMPLETE,
     STATE_INIT_STREAM,
     STATE_INIT_STREAM_COMPLETE,
     STATE_GENERATE_PROXY_AUTH_TOKEN,
     STATE_GENERATE_PROXY_AUTH_TOKEN_COMPLETE,
     STATE_GENERATE_SERVER_AUTH_TOKEN,
     STATE_GENERATE_SERVER_AUTH_TOKEN_COMPLETE,
+    STATE_BUILD_REQUEST,
+    STATE_BUILD_REQUEST_COMPLETE,
     STATE_SEND_REQUEST,
     STATE_SEND_REQUEST_COMPLETE,
     STATE_READ_HEADERS,
     STATE_READ_HEADERS_COMPLETE,
     STATE_READ_BODY,
     STATE_READ_BODY_COMPLETE,
     STATE_DRAIN_BODY_FOR_AUTH_RESTART,
     STATE_DRAIN_BODY_FOR_AUTH_RESTART_COMPLETE,
     STATE_NONE
   };
@@ skipping 11 matching lines @@
   // ERR_IO_PENDING, then the result from OnIOComplete will be passed to the
   // next state method as the result arg.
   int DoCreateStream();
   int DoCreateStreamComplete(int result);
   int DoInitStream();
   int DoInitStreamComplete(int result);
   int DoGenerateProxyAuthToken();
   int DoGenerateProxyAuthTokenComplete(int result);
   int DoGenerateServerAuthToken();
   int DoGenerateServerAuthTokenComplete(int result);
-  int DoSendRequest();
+  int DoBuildRequest();
+  int DoBuildRequestComplete(int result);
+  int DoSendRequest(int result);
   int DoSendRequestComplete(int result);
   int DoReadHeaders();
   int DoReadHeadersComplete(int result);
   int DoReadBody();
   int DoReadBodyComplete(int result);
   int DoDrainBodyForAuthRestart();
   int DoDrainBodyForAuthRestartComplete(int result);
 
   // Record histogram of time until first byte of header is received.
   void LogTransactionConnectedMetrics();
@@ skipping 71 matching lines @@
 
   scoped_refptr<HttpAuthController>
       auth_controllers_[HttpAuth::AUTH_NUM_TARGETS];
 
   // Whether this transaction is waiting for proxy auth, server auth, or is
   // not waiting for any auth at all. |pending_auth_target_| is read and
   // cleared by RestartWithAuth().
   HttpAuth::Target pending_auth_target_;
 
   CompletionCallbackImpl<HttpNetworkTransaction> io_callback_;
+  scoped_refptr<CancelableCompletionCallback<HttpNetworkTransaction> >
+      delegate_callback_;
   CompletionCallback* user_callback_;
+  scoped_ptr<UploadDataStream> request_body_;
 
   scoped_refptr<HttpNetworkSession> session_;
 
   BoundNetLog net_log_;
   const HttpRequestInfo* request_;
   HttpResponseInfo response_;
 
   // |proxy_info_| is the ProxyInfo used by the HttpStreamRequest.
   ProxyInfo proxy_info_;
 
@@ skipping 30 matching lines @@
   // True when the tunnel is in the process of being established - we can't
   // read from the socket until the tunnel is done.
   bool establishing_tunnel_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpNetworkTransaction);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_NETWORK_TRANSACTION_H_