Remove the wave based audio capture implementation for Windows

media/audio/win/audio_manager_win.h

 // 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.
 
 #ifndef MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_
 #define MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 46 matching lines @@
   std::string GetDefaultOutputDeviceID() override;
 
  protected:
   ~AudioManagerWin() override;
 
   AudioParameters GetPreferredOutputStreamParameters(
       const std::string& output_device_id,
       const AudioParameters& input_params) override;
 
  private:
-  enum EnumerationType {
-    kMMDeviceEnumeration,
-    kWaveEnumeration,
-  };
-
   // Allow unit test to modify the utilized enumeration API.
   friend class AudioManagerTest;
 
-  EnumerationType enumeration_type_;
-  EnumerationType enumeration_type() { return enumeration_type_; }
-  void SetEnumerationType(EnumerationType type) {
-    enumeration_type_ = type;
-  }
-
-  inline bool core_audio_supported() const {
-    return enumeration_type_ == kMMDeviceEnumeration;
-  }
-
-  // Returns a PCMWaveInAudioInputStream instance or NULL on failure.
-  // This method converts MMDevice-style device ID to WaveIn-style device ID if
-  // necessary.
-  // (Please see device_enumeration_win.h for more info about the two kinds of
-  // device IDs.)
-  AudioInputStream* CreatePCMWaveInAudioInputStream(
-      const AudioParameters& params,
-      const std::string& device_id);
-
   // Helper methods for performing expensive initialization tasks on the audio
   // thread instead of on the UI thread which AudioManager is constructed on.
   void InitializeOnAudioThread();
 
   void GetAudioDeviceNamesImpl(bool input, AudioDeviceNames* device_names);
 
   // Listen for output device changes.
   std::unique_ptr<AudioDeviceListenerWin> output_device_listener_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioManagerWin);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_