Update some callers to use more direct ways of constructing IPAddress from well known literals.

net/tools/quic/quic_simple_server_bin.cc

 // Copyright 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.
 //
 // A binary wrapper for QuicServer.  It listens forever on --port
 // (default 6121) until it's killed or ctrl-cd to death.
 
 #include <iostream>
 
 #include "base/at_exit.h"
@@ skipping 59 matching lines @@
   if (!line->HasSwitch("certificate_file")) {
     LOG(ERROR) << "missing --certificate_file";
     return 1;
   }
 
   if (!line->HasSwitch("key_file")) {
     LOG(ERROR) << "missing --key_file";
     return 1;
   }
 
-  net::IPAddress ip;
-  CHECK(ip.AssignFromIPLiteral("::"));
+  net::IPAddress ip = net::IPAddress::IPv6AllZeros();
 
   net::QuicConfig config;
   net::QuicSimpleServer server(
       CreateProofSource(line->GetSwitchValuePath("certificate_file"),
                         line->GetSwitchValuePath("key_file")),
       config, net::QuicSupportedVersions());
   server.SetStrikeRegisterNoStartupPeriod();
 
   int rc = server.Listen(net::IPEndPoint(ip, FLAGS_port));
   if (rc < 0) {
     return 1;
   }
 
   base::RunLoop().Run();
 
   return 0;
 }