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

chrome/test/chromedriver/net/url_request_context_getter.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.
 
 #include "chrome/test/chromedriver/net/url_request_context_getter.h"
 
 #include <memory>
 #include <string>
 
 #include "base/memory/ptr_util.h"
 #include "net/proxy/proxy_config_service_fixed.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_builder.h"
 
 URLRequestContextGetter::URLRequestContextGetter(
     scoped_refptr<base::SingleThreadTaskRunner> network_task_runner)
     : network_task_runner_(network_task_runner) {
 }
 
 net::URLRequestContext* URLRequestContextGetter::GetURLRequestContext() {
   CHECK(network_task_runner_->BelongsToCurrentThread());
   if (!url_request_context_) {
     net::URLRequestContextBuilder builder;
     // net::HttpServer fails to parse headers if user-agent header is blank.
     builder.set_user_agent("chromedriver");
     builder.DisableHttpCache();
-    builder.set_proxy_config_service(base::WrapUnique(
-        new net::ProxyConfigServiceFixed(net::ProxyConfig::CreateDirect())));
+    builder.set_proxy_config_service(
+        base::MakeUnique<net::ProxyConfigServiceFixed>(
+            net::ProxyConfig::CreateDirect()));
     url_request_context_ = builder.Build();
   }
   return url_request_context_.get();
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
     URLRequestContextGetter::GetNetworkTaskRunner() const {
   return network_task_runner_;
 }
 
 URLRequestContextGetter::~URLRequestContextGetter() {}