Resend on IO errors on late bound sockets that were idle.

net/http/http_network_transaction.cc

 // Copyright (c) 2006-2009 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/http/http_network_transaction.h"
 
 #include "base/scoped_ptr.h"
 #include "base/compiler_specific.h"
 #include "base/field_trial.h"
 #include "base/histogram.h"
@@ skipping 1536 matching lines @@
   chunked_decoder_.reset();
   // Reset all the members of response_.
   response_ = HttpResponseInfo();
 }
 
 bool HttpNetworkTransaction::ShouldResendRequest() const {
   // NOTE: we resend a request only if we reused a keep-alive connection.
   // This automatically prevents an infinite resend loop because we'll run
   // out of the cached keep-alive connections eventually.
   if (establishing_tunnel_ ||
-      !reused_socket_ ||  // We didn't reuse a keep-alive connection.
+      // We used a socket that was never idle.
+      connection_.reuse_type() == ClientSocketHandle::UNUSED ||
       header_buf_len_) {  // We have received some response headers.
     return false;
   }
   return true;
 }
 
 void HttpNetworkTransaction::ResetConnectionAndRequestForResend() {
   connection_.socket()->Disconnect();
   connection_.Reset();
   // There are two reasons we need to clear request_headers_.  1) It contains
@@ skipping 326 matching lines @@
     host_and_port = proxy_info_.proxy_server().host_and_port();
   } else {
     DCHECK(target == HttpAuth::AUTH_SERVER);
     host_and_port = GetHostAndPort(request_->url);
   }
   auth_info->host_and_port = ASCIIToWide(host_and_port);
   response_.auth_challenge = auth_info;
 }
 
 }  // namespace net