stopping the audio thread before destroying the AudioManager<Platform>

media/audio/win/audio_manager_win.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 "media/audio/audio_io.h"
 
 #include <windows.h>
 #include <objbase.h>  // This has to be before initguid.h
 #include <initguid.h>
 #include <mmsystem.h>
@@ skipping 90 matching lines @@
     enumeration_type_ = kWaveEnumeration;
   } else {
     // Use the MMDevice API for device enumeration if Vista or higher.
     enumeration_type_ = kMMDeviceEnumeration;
   }
 
   SetMaxOutputStreamsAllowed(kMaxOutputStreams);
 }
 
 AudioManagerWin::~AudioManagerWin() {
+  Shutdown();
 }
 
 bool AudioManagerWin::HasAudioOutputDevices() {
   return (::waveOutGetNumDevs() != 0);
 }
 
 bool AudioManagerWin::HasAudioInputDevices() {
   return (::waveInGetNumDevs() != 0);
 }
 
@@ skipping 172 matching lines @@
     stream = new WASAPIAudioInputStream(this, params, device_id);
   }
 
   return stream;
 }
 
 /// static
 AudioManager* CreateAudioManager() {
   return new AudioManagerWin();
 }