Switching AudioInputDeviceManager from using AudioManager interface to AudioSystem one.

content/browser/renderer_host/media/video_capture_unittest.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 <stdint.h>
 
 #include <map>
 #include <memory>
 #include <string>
 
@@ skipping 296 matching lines @@
 
  private:
   // |media_stream_manager_| needs to outlive |thread_bundle_| because it is a
   // MessageLoop::DestructionObserver.
   StrictMock<MockMediaStreamRequester> stream_requester_;
   std::unique_ptr<MediaStreamManager> media_stream_manager_;
   const content::TestBrowserThreadBundle thread_bundle_;
   // |audio_manager_| needs to outlive |thread_bundle_| because it uses the
   // underlying message loop.
   media::ScopedAudioManagerPtr audio_manager_;
-  std::unique_ptr<media::AudioSystem> audio_system_;
+  media::AudioSystem::UniquePtr audio_system_;
   content::TestBrowserContext browser_context_;
   content::TestContentBrowserClient browser_client_;
   const scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   int opened_session_id_;
   std::string opened_device_label_;
 
   std::unique_ptr<VideoCaptureHost> host_;
   mojo::Binding<mojom::VideoCaptureObserver> observer_binding_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoCaptureTest);
@@ skipping 38 matching lines @@
   StartCapture();
 
   // When the session is closed via the stream without stopping capture, the
   // ENDED event is sent.
   EXPECT_CALL(*this, OnStateChanged(mojom::VideoCaptureState::ENDED));
   CloseSession();
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace content