Re-write many calls to WrapUnique() with MakeUnique()

net/tools/get_server_time/get_server_time.cc

 // 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.
 
 // This is a small utility that snarfs the server time from the
 // response headers of an http/https HEAD request and compares it to
 // the local time.
 //
 // TODO(akalin): Also snarf the server time from the TLS handshake, if
 // any (http://crbug.com/146090).
@@ skipping 128 matching lines @@
 // Builds a URLRequestContext assuming there's only a single loop.
 std::unique_ptr<net::URLRequestContext> BuildURLRequestContext(
     net::NetLog* net_log) {
   net::URLRequestContextBuilder builder;
 #if defined(OS_LINUX)
   // On Linux, use a fixed ProxyConfigService, since the default one
   // depends on glib.
   //
   // TODO(akalin): Remove this once http://crbug.com/146421 is fixed.
   builder.set_proxy_config_service(
-      base::WrapUnique(new net::ProxyConfigServiceFixed(net::ProxyConfig())));
+      base::MakeUnique<net::ProxyConfigServiceFixed>(net::ProxyConfig()));
 #endif
   std::unique_ptr<net::URLRequestContext> context(builder.Build());
   context->set_net_log(net_log);
   return context;
 }
 
 // Assuming that the time |server_time| was received from a server,
 // that the request for the server was started on |start_ticks|, and
 // that it ended on |end_ticks|, fills |server_now| with an estimate
 // of the current time and |server_now_uncertainty| with a
@@ skipping 159 matching lines @@
                &skew, &skew_uncertainty);
 
   std::printf(
       "An estimate for the local clock skew is %.2f ms with "
       "uncertainty %.2f ms\n",
       skew.InMillisecondsF(),
       skew_uncertainty.InMillisecondsF());
 
   return EXIT_SUCCESS;
 }