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

remoting/test/fake_port_allocator.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.
 
 #include "remoting/test/fake_port_allocator.h"
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "remoting/protocol/transport_context.h"
 #include "remoting/test/fake_network_dispatcher.h"
@@ skipping 63 matching lines @@
   socket_factory_.reset(
       new FakePacketSocketFactory(fake_network_dispatcher.get()));
   network_manager_.reset(new FakeNetworkManager(socket_factory_->GetAddress()));
 }
 
 FakePortAllocatorFactory::~FakePortAllocatorFactory() {}
 
 std::unique_ptr<cricket::PortAllocator>
 FakePortAllocatorFactory::CreatePortAllocator(
     scoped_refptr<protocol::TransportContext> transport_context) {
-  return base::WrapUnique(new FakePortAllocator(
-      network_manager_.get(), socket_factory_.get(), transport_context));
+  return base::MakeUnique<FakePortAllocator>(
+      network_manager_.get(), socket_factory_.get(), transport_context);
 }
 
 }  // namespace remoting