Clean up quic_simple_client_bin.cc to sync with quic_client_bin.cc

net/tools/quic/quic_simple_client_test.cc

 // Copyright (c) 2014 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/tools/quic/quic_simple_client.h"
 
 #include "base/strings/string_util.h"
 #include "net/quic/test_tools/crypto_test_utils.h"
 #include "net/quic/test_tools/quic_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 namespace test {
 
 TEST(QuicSimpleClientTest, Initialize) {
-  IPEndPoint server_address(IPEndPoint(net::test::Loopback4(), 80));
+  QuicSocketAddress server_address(QuicIpAddress::Loopback4(), 80);
   QuicServerId server_id("hostname", server_address.port(),
                          PRIVACY_MODE_DISABLED);
   QuicVersionVector versions = AllSupportedVersions();
   QuicSimpleClient client(server_address, server_id, versions,
                           CryptoTestUtils::ProofVerifierForTesting());
   EXPECT_TRUE(client.Initialize());
 }
 
 }  // namespace test
 }  // namespace net