Disable some PortAllocatorTest on tsan due to flakiness

webrtc/p2p/client/portallocator_unittest.cc

 /*
  *  Copyright 2009 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 454 matching lines @@
 // candidate since we bind to any address (i.e. all 0s).
 TEST_F(PortAllocatorTest, TestDisableAdapterEnumerationMultipleInterfaces) {
   AddInterface(kPrivateAddr);
   AddInterface(kPrivateAddr2);
   ResetWithNatServer(kStunAddr);
   AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress());
 
   CheckDisableAdapterEnumeration();
 }
 
+// Disable for TSan v2, see
+// https://code.google.com/p/webrtc/issues/detail?id=4743 for details.
+#if !defined(THREAD_SANITIZER)
+
 // Test that we can get OnCandidatesAllocationDone callback when all the ports
 // are disabled.
 TEST_F(PortAllocatorTest, TestDisableAllPorts) {
   AddInterface(kClientAddr);
   EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
   session_->set_flags(cricket::PORTALLOCATOR_DISABLE_UDP |
                       cricket::PORTALLOCATOR_DISABLE_STUN |
                       cricket::PORTALLOCATOR_DISABLE_RELAY |
                       cricket::PORTALLOCATOR_DISABLE_TCP);
   session_->StartGettingPorts();
@@ skipping 17 matching lines @@
   EXPECT_PRED5(CheckCandidate, candidates_[2],
       cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr);
   EXPECT_PRED5(CheckCandidate, candidates_[3],
       cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr);
   EXPECT_PRED5(CheckCandidate, candidates_[4],
       cricket::ICE_CANDIDATE_COMPONENT_RTP,
       "relay", "ssltcp", kRelaySslTcpIntAddr);
   EXPECT_TRUE(candidate_allocation_done_);
 }
 
+#endif // if !defined(THREAD_SANITIZER)
+
 // Test that we don't crash or malfunction if we can't create UDP sockets or
 // listen on TCP sockets. We still give out a local TCP address, since
 // apparently this is needed for the remote side to accept our connection.
 TEST_F(PortAllocatorTest, TestGetAllPortsNoUdpSocketsNoTcpListen) {
   AddInterface(kClientAddr);
   fss_->set_udp_sockets_enabled(false);
   fss_->set_tcp_listen_enabled(false);
   EXPECT_TRUE(CreateSession(1));
   session_->StartGettingPorts();
   ASSERT_EQ_WAIT(5U, candidates_.size(), kDefaultAllocationTimeout);
@@ skipping 517 matching lines @@
   EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
   session_->StartGettingPorts();
   ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout);
   EXPECT_EQ(4U, ports_.size());
 
   auto it = ports_.begin();
   for (; it != ports_.end(); ++it) {
     (reinterpret_cast<cricket::Port*>(*it))->Destroy();
   }
 }