Remove the Windows Wave audio device implementation.

webrtc/modules/audio_device/include/audio_device.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef MODULES_AUDIO_DEVICE_INCLUDE_AUDIO_DEVICE_H_
 #define MODULES_AUDIO_DEVICE_INCLUDE_AUDIO_DEVICE_H_
 
 #include "webrtc/base/scoped_ref_ptr.h"
 #include "webrtc/modules/audio_device/include/audio_device_defines.h"
 #include "webrtc/modules/include/module.h"
 
 namespace webrtc {
 
 class AudioDeviceModule : public RefCountedModule {
  public:
   enum ErrorCode {
     kAdmErrNone = 0,
     kAdmErrArgument = 1
   };
 
   enum AudioLayer {
     kPlatformDefaultAudio = 0,
-    kWindowsWaveAudio = 1,
     kWindowsCoreAudio = 2,
     kLinuxAlsaAudio = 3,
     kLinuxPulseAudio = 4,
     kAndroidJavaAudio = 5,
     kAndroidOpenSLESAudio = 6,
     kAndroidJavaInputAndOpenSLESOutputAudio = 7,
     kDummyAudio = 8
   };
 
   enum WindowsDeviceType {
@@ skipping 167 matching lines @@
   virtual int GetRecordAudioParameters(AudioParameters* params) const = 0;
 #endif  // WEBRTC_IOS
 
  protected:
   ~AudioDeviceModule() override {}
 };
 
 }  // namespace webrtc
 
 #endif  // MODULES_AUDIO_DEVICE_INCLUDE_AUDIO_DEVICE_H_