Disable another racy HostResolverImplTest under tsan.

net/dns/host_resolver_impl_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 "net/dns/host_resolver_impl.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 603 matching lines @@
   EXPECT_EQ(OK, req->Resolve());
 
   EXPECT_TRUE(req->HasOneAddress("2001:db8::1", 5555));
 }
 
 TEST_F(HostResolverImplTest, EmptyHost) {
   Request* req = CreateRequest(std::string(), 5555);
   EXPECT_EQ(ERR_NAME_NOT_RESOLVED, req->Resolve());
 }
 
-TEST_F(HostResolverImplTest, EmptyDotsHost) {
+#if defined(THREAD_SANITIZER)
+// There's a data race in this test that may lead to use-after-free.
+// If the test starts to crash without ThreadSanitizer it needs to be disabled
+// globally. See http://crbug.com/268946 (stacks for this test in
+// crbug.com/333567).
+#define MAYBE_EmptyDotsHost DISABLED_EmptyDotsHost
+#else
+#define MAYBE_EmptyDotsHost EmptyDotsHost
+#endif
+TEST_F(HostResolverImplTest, MAYBE_EmptyDotsHost) {
   for (int i = 0; i < 16; ++i) {
     Request* req = CreateRequest(std::string(i, '.'), 5555);
     EXPECT_EQ(ERR_NAME_NOT_RESOLVED, req->Resolve());
   }
 }
 
 #if defined(THREAD_SANITIZER)
 // There's a data race in this test that may lead to use-after-free.
 // If the test starts to crash without ThreadSanitizer it needs to be disabled
 // globally. See http://crbug.com/268946.
@@ skipping 1420 matching lines @@
 
   EXPECT_EQ(OK, requests_[0]->WaitForResult());
   EXPECT_TRUE(requests_[0]->HasOneAddress("192.168.0.1", 80));
   EXPECT_EQ(OK, requests_[1]->WaitForResult());
   EXPECT_TRUE(requests_[1]->HasOneAddress("192.168.0.2", 80));
   EXPECT_EQ(OK, requests_[2]->WaitForResult());
   EXPECT_TRUE(requests_[2]->HasOneAddress("192.168.0.3", 80));
 }
 
 }  // namespace net