Reimplements net::AddressList without struct addrinfo.

net/base/single_request_host_resolver_unittest.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/base/single_request_host_resolver.h"
 
 #include "net/base/address_list.h"
 #include "net/base/mock_host_resolver.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_log.h"
 #include "net/base/test_completion_callback.h"
@@ skipping 63 matching lines @@
   // Resolve "watsup:90" using our SingleRequestHostResolver.
   AddressList addrlist;
   TestCompletionCallback callback;
   HostResolver::RequestInfo request(HostPortPair("watsup", 90));
   int rv = single_request_resolver.Resolve(
       request, &addrlist, callback.callback(), BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   EXPECT_EQ(OK, callback.WaitForResult());
 
   // Verify that the result is what we specified in the MockHostResolver.
-  EXPECT_EQ("199.188.1.166", NetAddressToString(addrlist.head()));
+  ASSERT_FALSE(addrlist.empty());
+  EXPECT_EQ("199.188.1.166", addrlist.front().ToStringWithoutPort());
 }
 
 // Test that the Cancel() method cancels any outstanding request.
 TEST(SingleRequestHostResolverTest, Cancel) {
   HangingHostResolver resolver;
 
   {
     SingleRequestHostResolver single_request_resolver(&resolver);
 
     // Resolve "watsup:90" using our SingleRequestHostResolver.
@@ skipping 18 matching lines @@
   SingleRequestHostResolver single_request_resolver(&resolver);
   single_request_resolver.Cancel();
 
   // To pass, HangingHostResolver should not have received a cancellation
   // request (since there is nothing to cancel). If it does, it will crash.
 }
 
 } // namespace
 
 }  // namespace net