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

remoting/client/plugin/pepper_port_allocator_factory.cc

 // Copyright 2016 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 "remoting/client/plugin/pepper_port_allocator_factory.h"
 
 #include "base/memory/ptr_util.h"
 #include "remoting/client/plugin/pepper_network_manager.h"
 #include "remoting/client/plugin/pepper_packet_socket_factory.h"
 #include "remoting/protocol/port_allocator.h"
 #include "remoting/protocol/transport_context.h"
 
 namespace remoting {
 
 PepperPortAllocatorFactory::PepperPortAllocatorFactory(
     pp::InstanceHandle pp_instance)
     : pp_instance_(pp_instance) {}
 
 PepperPortAllocatorFactory::~PepperPortAllocatorFactory() {}
 
 std::unique_ptr<cricket::PortAllocator>
 PepperPortAllocatorFactory::CreatePortAllocator(
     scoped_refptr<protocol::TransportContext> transport_context) {
-  return base::WrapUnique(new protocol::PortAllocator(
+  return base::MakeUnique<protocol::PortAllocator>(
       base::WrapUnique(new PepperNetworkManager(pp_instance_)),
       base::WrapUnique(new PepperPacketSocketFactory(pp_instance_)),
-      transport_context));
+      transport_context);
 }
 
 }  // namespace remoting