Avoid doing concurrent DNS resolves of the same hostname

net/base/ssl_client_socket_unittest.cc

 // Copyright (c) 2006-2008 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/base/address_list.h"
 #include "net/base/client_socket_factory.h"
 #include "net/base/host_resolver.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/base/ssl_client_socket.h"
@@ skipping 59 matching lines @@
 #endif
 
 TEST_F(SSLClientSocketTest, MAYBE_Connect) {
   StartOKServer();
 
   net::AddressList addr;
   net::HostResolver resolver;
   TestCompletionCallback callback;
 
   int rv = resolver.Resolve(server_.kHostName, server_.kOKHTTPSPort,
-                            &addr, NULL);
+                            &addr, NULL, NULL);
   EXPECT_EQ(net::OK, rv);
 
   net::ClientSocket *transport = new net::TCPClientSocket(addr);
   rv = transport->Connect(&callback);
   if (rv == net::ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(net::OK, rv);
 
   scoped_ptr<net::SSLClientSocket> sock(
       socket_factory_->CreateSSLClientSocket(transport,
@@ skipping 17 matching lines @@
 }
 
 TEST_F(SSLClientSocketTest, MAYBE_ConnectExpired) {
   StartExpiredServer();
 
   net::AddressList addr;
   net::HostResolver resolver;
   TestCompletionCallback callback;
 
   int rv = resolver.Resolve(server_.kHostName, server_.kBadHTTPSPort,
-                            &addr, NULL);
+                            &addr, NULL, NULL);
   EXPECT_EQ(net::OK, rv);
 
   net::ClientSocket *transport = new net::TCPClientSocket(addr);
   rv = transport->Connect(&callback);
   if (rv == net::ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(net::OK, rv);
 
   scoped_ptr<net::SSLClientSocket> sock(
       socket_factory_->CreateSSLClientSocket(transport,
@@ skipping 16 matching lines @@
 }
 
 TEST_F(SSLClientSocketTest, MAYBE_ConnectMismatched) {
   StartMismatchedServer();
 
   net::AddressList addr;
   net::HostResolver resolver;
   TestCompletionCallback callback;
 
   int rv = resolver.Resolve(server_.kMismatchedHostName, server_.kOKHTTPSPort,
-                            &addr, NULL);
+                            &addr, NULL, NULL);
   EXPECT_EQ(net::OK, rv);
 
   net::ClientSocket *transport = new net::TCPClientSocket(addr);
   rv = transport->Connect(&callback);
   if (rv == net::ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(net::OK, rv);
 
   scoped_ptr<net::SSLClientSocket> sock(
       socket_factory_->CreateSSLClientSocket(transport,
@@ skipping 21 matching lines @@
 //   - Server sends data unexpectedly.
 
 TEST_F(SSLClientSocketTest, MAYBE_Read) {
   StartOKServer();
 
   net::AddressList addr;
   net::HostResolver resolver;
   TestCompletionCallback callback;
 
   int rv = resolver.Resolve(server_.kHostName, server_.kOKHTTPSPort,
-                            &addr, &callback);
+                            &addr, &callback, NULL);
   EXPECT_EQ(net::ERR_IO_PENDING, rv);
 
   rv = callback.WaitForResult();
   EXPECT_EQ(net::OK, rv);
 
   net::ClientSocket *transport = new net::TCPClientSocket(addr);
   rv = transport->Connect(&callback);
   if (rv == net::ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(net::OK, rv);
@@ skipping 40 matching lines @@
 }
 
 TEST_F(SSLClientSocketTest, MAYBE_Read_SmallChunks) {
   StartOKServer();
 
   net::AddressList addr;
   net::HostResolver resolver;
   TestCompletionCallback callback;
 
   int rv = resolver.Resolve(server_.kHostName, server_.kOKHTTPSPort,
-                            &addr, NULL);
+                            &addr, NULL, NULL);
   EXPECT_EQ(net::OK, rv);
 
   net::ClientSocket *transport = new net::TCPClientSocket(addr);
   rv = transport->Connect(&callback);
   if (rv == net::ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(net::OK, rv);
 
   scoped_ptr<net::SSLClientSocket> sock(
       socket_factory_->CreateSSLClientSocket(transport,
@@ skipping 35 matching lines @@
 }
 
 TEST_F(SSLClientSocketTest, MAYBE_Read_Interrupted) {
   StartOKServer();
 
   net::AddressList addr;
   net::HostResolver resolver;
   TestCompletionCallback callback;
 
   int rv = resolver.Resolve(server_.kHostName, server_.kOKHTTPSPort,
-                            &addr, NULL);
+                            &addr, NULL, NULL);
   EXPECT_EQ(net::OK, rv);
 
   net::ClientSocket *transport = new net::TCPClientSocket(addr);
   rv = transport->Connect(&callback);
   if (rv == net::ERR_IO_PENDING)
     rv = callback.WaitForResult();
   EXPECT_EQ(net::OK, rv);
 
   scoped_ptr<net::SSLClientSocket> sock(
       socket_factory_->CreateSSLClientSocket(transport,
@@ skipping 23 matching lines @@
   // Do a partial read and then exit.  This test should not crash!
   scoped_refptr<net::IOBuffer> buf = new net::IOBuffer(512);
   rv = sock->Read(buf, 512, &callback);
   EXPECT_TRUE(rv >= 0 || rv == net::ERR_IO_PENDING);
 
   if (rv == net::ERR_IO_PENDING)
     rv = callback.WaitForResult();
 
   EXPECT_NE(rv, 0);
 }