When receiving OOB data on a socket, return ERR_OOB_DATA.

net/socket/tcp_socket_libevent.cc

 // Copyright 2013 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/socket/tcp_socket.h"
 
 #include <errno.h>
 #include <netinet/tcp.h>
 #include <sys/socket.h>
 
@@ skipping 450 matching lines @@
 
 void TCPSocketLibevent::EndLoggingMultipleConnectAttempts(int net_error) {
   if (logging_multiple_connect_attempts_) {
     LogConnectEnd(net_error);
     logging_multiple_connect_attempts_ = false;
   } else {
     NOTREACHED();
   }
 }
 
+int TCPSocketLibevent::socket() const {
+  return socket_->socket_fd();
+}
+
 void TCPSocketLibevent::AcceptCompleted(
     scoped_ptr<TCPSocketLibevent>* tcp_socket,
     IPEndPoint* address,
     const CompletionCallback& callback,
     int rv) {
   DCHECK_NE(ERR_IO_PENDING, rv);
   callback.Run(HandleAcceptCompleted(tcp_socket, address, rv));
 }
 
 int TCPSocketLibevent::HandleAcceptCompleted(
@@ skipping 259 matching lines @@
     }
   } else {
     tcp_fastopen_status_ =
         (tcp_fastopen_status_ == TCP_FASTOPEN_FAST_CONNECT_RETURN ?
          TCP_FASTOPEN_SYN_DATA_GETSOCKOPT_FAILED :
          TCP_FASTOPEN_NO_SYN_DATA_GETSOCKOPT_FAILED);
   }
 }
 
 }  // namespace net