Fix P2PSocketHostUdp to handle SetOptions() in error state

content/browser/renderer_host/p2p/socket_host_udp_unittest.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 <stdint.h>
 #include <deque>
 #include <utility>
 #include <vector>
@@ skipping 263 matching lines @@
       .WillOnce(DoAll(DeleteArg<0>(), Return(true)));
 
   rtc::PacketOptions options;
   std::vector<char> packet;
   CreateRandomPacket(&packet);
   socket_host_->Send(dest1_, packet, options, 0);
 
   ASSERT_EQ(sent_packets_.size(), 0U);
 }
 
+// Verify that SetOption() doesn't crash after an error.
+TEST_F(P2PSocketHostUdpTest, SetOptionAfterError) {
+  // Get the sender into the error state.
+  EXPECT_CALL(sender_,
+              Send(MatchMessage(static_cast<uint32_t>(P2PMsg_OnError::ID))))
+      .WillOnce(DoAll(DeleteArg<0>(), Return(true)));
+  socket_host_->Send(dest1_, {1, 2, 3, 4}, rtc::PacketOptions(), 0);
+  testing::Mock::VerifyAndClearExpectations(&sender_);
+
+  // Verify that SetOptions() fails, but doesn't crash.
+  EXPECT_FALSE(socket_host_->SetOption(P2P_SOCKET_OPT_RCVBUF, 2048));
+}
+
 // Verify that we can send data after we've received STUN request
 // from the other side.
 TEST_F(P2PSocketHostUdpTest, SendAfterStunRequest) {
   // Receive packet from |dest1_|.
   std::vector<char> request_packet;
   CreateStunRequest(&request_packet);
 
   EXPECT_CALL(sender_, Send(MatchPacketMessage(request_packet)))
       .WillOnce(DoAll(DeleteArg<0>(), Return(true)));
   socket_->ReceivePacket(dest1_, request_packet);
@@ skipping 273 matching lines @@
   std::unique_ptr<P2PSocketHostUdp> socket_host(
       new P2PSocketHostUdp(&sender, 0, &throttler, fake_socket_factory));
   net::IPEndPoint local_address =
       ParseAddress(kTestLocalIpAddress, invalid_port);
   bool rv = socket_host->Init(local_address, min_port, max_port,
                               P2PHostAndIPEndPoint());
   EXPECT_FALSE(rv);
 }
 
 }  // namespace content