Add a mechanism to disable IPv6....

net/base/address_list_unittest.cc

 // Copyright (c) 2009 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 "base/string_util.h"
 #include "net/base/host_resolver_proc.h"
 #include "net/base/net_util.h"
 #if defined(OS_WIN)
 #include "net/base/winsock_init.h"
 #endif
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 // Use getaddrinfo() to allocate an addrinfo structure.
 void CreateAddressList(net::AddressList* addrlist, int port) {
 #if defined(OS_WIN)
   net::EnsureWinsockInit();
 #endif
-  int rv = SystemHostResolverProc("192.168.1.1", addrlist);
+  int rv = SystemHostResolverProc("192.168.1.1",
+                                  net::ADDRESS_FAMILY_UNSPECIFIED,
+                                  addrlist);
   EXPECT_EQ(0, rv);
   addrlist->SetPort(port);
 }
 
 TEST(AddressListTest, GetPort) {
   net::AddressList addrlist;
   CreateAddressList(&addrlist, 81);
   EXPECT_EQ(81, addrlist.GetPort());
 
   addrlist.SetPort(83);
@@ skipping 29 matching lines @@
 
   // Changes to addrlist1 are not reflected in addrlist2.
   addrlist1.SetPort(70);
   addrlist2.SetPort(90);
 
   EXPECT_EQ(70, addrlist1.GetPort());
   EXPECT_EQ(90, addrlist2.GetPort());
 }
 
 }  // namespace