Fix P2PSocketHostUdp to handle SetOptions() in error state

content/browser/renderer_host/p2p/socket_host_tcp.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/p2p/socket_host_tcp.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/location.h"
@@ skipping 466 matching lines @@
   }
   // We've consumed all complete packets from the buffer; now move any remaining
   // bytes to the head of the buffer and set offset to reflect this.
   if (pos && pos <= read_buffer_->offset()) {
     memmove(head, head + pos, read_buffer_->offset() - pos);
     read_buffer_->set_offset(read_buffer_->offset() - pos);
   }
 }
 
 bool P2PSocketHostTcpBase::SetOption(P2PSocketOption option, int value) {
-  DCHECK_EQ(STATE_OPEN, state_);
+  if (state_ != STATE_OPEN) {
+    DCHECK_EQ(state_, STATE_ERROR);
+    return false;
+  }
+
   switch (option) {
     case P2P_SOCKET_OPT_RCVBUF:
       return socket_->SetReceiveBufferSize(value) == net::OK;
     case P2P_SOCKET_OPT_SNDBUF:
       return socket_->SetSendBufferSize(value) == net::OK;
     case P2P_SOCKET_OPT_DSCP:
       return false;  // For TCP sockets DSCP setting is not available.
     default:
       NOTREACHED();
       return false;
@@ skipping 144 matching lines @@
   } else {
     packet_size += kTurnChannelDataHeaderSize;
     // Calculate any padding if present.
     if (packet_size % 4)
       *pad_bytes = 4 - packet_size % 4;
   }
   return packet_size;
 }
 
 }  // namespace content