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

net/dns/host_resolver_impl.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 "net/dns/host_resolver_impl.h"
 
 #if defined(OS_WIN)
 #include <Winsock2.h>
 #elif defined(OS_POSIX)
 #include <netdb.h>
@@ skipping 2112 matching lines @@
 
 std::unique_ptr<base::Value> HostResolverImpl::GetDnsConfigAsValue() const {
   // Check if async DNS is disabled.
   if (!dns_client_.get())
     return nullptr;
 
   // Check if async DNS is enabled, but we currently have no configuration
   // for it.
   const DnsConfig* dns_config = dns_client_->GetConfig();
   if (!dns_config)
-    return base::WrapUnique(new base::DictionaryValue());
+    return base::MakeUnique<base::DictionaryValue>();
 
   return dns_config->ToValue();
 }
 
 int HostResolverImpl::ResolveStaleFromCache(
     const RequestInfo& info,
     AddressList* addresses,
     HostCache::EntryStaleness* stale_info,
     const BoundNetLog& source_net_log) {
   DCHECK(CalledOnValidThread());
@@ skipping 462 matching lines @@
   if (job_)
     job_->CancelRequest(this);
 }
 
 void HostResolverImpl::RequestImpl::ChangeRequestPriority(
     RequestPriority priority) {
   job_->ChangeRequestPriority(this, priority);
 }
 
 }  // namespace net