Switching AudioInputDeviceManager from using AudioManager interface to AudioSystem one.

content/browser/renderer_host/media/audio_output_delegate_impl_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.
 
 #include "content/browser/renderer_host/media/audio_output_delegate_impl.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <utility>
@@ skipping 434 matching lines @@
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, done);
   }
 
  protected:
   // MediaStreamManager uses a DestructionObserver, so it must outlive the
   // TestBrowserThreadBundle.
   std::unique_ptr<MediaStreamManager> media_stream_manager_;
   std::unique_ptr<TestBrowserThreadBundle> thread_bundle_;
   std::unique_ptr<AudioManagerThread> audio_thread_;
   media::ScopedAudioManagerPtr audio_manager_;
-  std::unique_ptr<media::AudioSystem> audio_system_;
+  media::AudioSystem::UniquePtr audio_system_;
   StrictMock<MockAudioMirroringManager> mirroring_manager_;
   StrictMock<MockEventHandler> event_handler_;
   StrictMock<MockObserver> media_observer_;
   media::FakeAudioLogFactory log_factory_;
 
  private:
   void SyncWithAllThreads() {
     DCHECK_CURRENTLY_ON(BrowserThread::IO);
     // New tasks might be posted while we are syncing, but in every iteration at
     // least one task will be run. 20 iterations should be enough for our code.
@@ skipping 107 matching lines @@
 TEST_F(AudioOutputDelegateTest, ErrorAndDestroy) {
   base::RunLoop l;
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&AudioOutputDelegateTest::PlayAndDestroyTest,
                  base::Unretained(this), l.QuitClosure()));
   l.Run();
 }
 
 }  // namespace content