Removes unused WaveOut APIs from ADM

webrtc/modules/audio_device/dummy/file_audio_device.cc

 /*
  *  Copyright (c) 2014 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.
  */
 
@@ skipping 291 matching lines @@
 }
 
 bool FileAudioDevice::Recording() const {
   return _recording;
 }
 
 int32_t FileAudioDevice::SetAGC(bool enable) { return -1; }
 
 bool FileAudioDevice::AGC() const { return false; }
 
-int32_t FileAudioDevice::SetWaveOutVolume(uint16_t volumeLeft,
-                                           uint16_t volumeRight) {
-  return -1;
-}
-
-int32_t FileAudioDevice::WaveOutVolume(uint16_t& volumeLeft,
-                                        uint16_t& volumeRight) const {
-  return -1;
-}
-
 int32_t FileAudioDevice::InitSpeaker() { return -1; }
 
 bool FileAudioDevice::SpeakerIsInitialized() const { return false; }
 
 int32_t FileAudioDevice::InitMicrophone() { return 0; }
 
 bool FileAudioDevice::MicrophoneIsInitialized() const { return true; }
 
 int32_t FileAudioDevice::SpeakerVolumeIsAvailable(bool& available) {
   return -1;
@@ skipping 207 matching lines @@
 
     int64_t deltaTimeMillis = rtc::TimeMillis() - currentTime;
     if (deltaTimeMillis < 10) {
       SleepMs(10 - deltaTimeMillis);
     }
 
     return true;
 }
 
 }  // namespace webrtc