Switching AudioInputDeviceManager from using AudioManager interface to AudioSystem one.

content/browser/renderer_host/media/audio_output_authorization_handler_unittest.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.
 
 // Unit tests for AudioOutputAuthorizationHandler.
 
 #include "content/browser/renderer_host/media/audio_output_authorization_handler.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 124 matching lines @@
             base::Unretained(out)));
   }
 
   // media_stream_manager must die after threads since it's a
   // DestructionObserver.
   std::unique_ptr<MediaStreamManager> media_stream_manager_;
   std::unique_ptr<TestBrowserThreadBundle> thread_bundle_;
   std::unique_ptr<AudioManagerThread> audio_thread_;
   media::FakeAudioLogFactory log_factory_;
   media::ScopedAudioManagerPtr audio_manager_;
-  std::unique_ptr<media::AudioSystem> audio_system_;
+  media::AudioSystem::UniquePtr audio_system_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioOutputAuthorizationHandlerTest);
 };
 
 TEST_F(AudioOutputAuthorizationHandlerTest, AuthorizeDefaultDevice_Ok) {
   MockAuthorizationCallback listener;
   EXPECT_CALL(listener,
               Run(media::OUTPUT_DEVICE_STATUS_OK, false, _, kDefaultDeviceId))
       .Times(1);
   std::unique_ptr<AudioOutputAuthorizationHandler> handler =
@@ skipping 172 matching lines @@
       (base::Bind(&AudioOutputAuthorizationHandler::RequestDeviceAuthorization,
                   base::Unretained(handler.get()), kRenderFrameId, kSessionId,
                   std::string(), BadSecurityOrigin(), listener.Get())));
 
   SyncWithAllThreads();
   BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE, handler.release());
   SyncWithAllThreads();
 }
 
 }  // namespace content