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

media/audio/fake_audio_log_factory.cc

 // Copyright 2013 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 "media/audio/fake_audio_log_factory.h"
 
 #include <string>
 
 #include "base/memory/ptr_util.h"
 
@@ skipping 14 matching lines @@
   void OnSwitchOutputDevice(int component_id,
                             const std::string& device_id) override {}
   void OnLogMessage(int component_id, const std::string& message) override {}
 };
 
 FakeAudioLogFactory::FakeAudioLogFactory() {}
 FakeAudioLogFactory::~FakeAudioLogFactory() {}
 
 std::unique_ptr<AudioLog> FakeAudioLogFactory::CreateAudioLog(
     AudioComponent component) {
-  return base::WrapUnique(new FakeAudioLogImpl());
+  return base::MakeUnique<FakeAudioLogImpl>();
 }
 
 }  // namespace media