Fix P2PSocketHostUdp to handle SetOptions() in error state

content/browser/renderer_host/p2p/socket_host_udp.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_udp.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 404 matching lines @@
 
 std::unique_ptr<P2PSocketHost> P2PSocketHostUdp::AcceptIncomingTcpConnection(
     const net::IPEndPoint& remote_address,
     int id) {
   NOTREACHED();
   OnError();
   return nullptr;
 }
 
 bool P2PSocketHostUdp::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:
       // Ignore any following call to set the send buffer size if we're under
       // experiment.
       if (send_buffer_size_ > 0) {
         return true;
       }
       return socket_->SetSendBufferSize(value) == net::OK;
@@ skipping 12 matching lines @@
   net::UDPServerSocket* socket = new net::UDPServerSocket(
       GetContentClient()->browser()->GetNetLog(), net::NetLogSource());
 #if defined(OS_WIN)
   socket->UseNonBlockingIO();
 #endif
 
   return base::WrapUnique(socket);
 }
 
 }  // namespace content