Removes unused WaveOut APIs from ADM

webrtc/modules/audio_device/audio_device_data_observer.cc

 /*
  *  Copyright (c) 2017 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 161 matching lines @@
     return impl_->RecordingIsInitialized();
   }
   int32_t StartPlayout() override { return impl_->StartPlayout(); }
   int32_t StopPlayout() override { return impl_->StopPlayout(); }
   bool Playing() const override { return impl_->Playing(); }
   int32_t StartRecording() override { return impl_->StartRecording(); }
   int32_t StopRecording() override { return impl_->StopRecording(); }
   bool Recording() const override { return impl_->Recording(); }
   int32_t SetAGC(bool enable) override { return impl_->SetAGC(enable); }
   bool AGC() const override { return impl_->AGC(); }
-  int32_t SetWaveOutVolume(uint16_t volume_left,
-                           uint16_t volume_right) override {
-    return impl_->SetWaveOutVolume(volume_left, volume_right);
-  }
-  int32_t WaveOutVolume(uint16_t* volume_left,
-                        uint16_t* volume_right) const override {
-    return impl_->WaveOutVolume(volume_left, volume_right);
-  }
   int32_t InitSpeaker() override { return impl_->InitSpeaker(); }
   bool SpeakerIsInitialized() const override {
     return impl_->SpeakerIsInitialized();
   }
   int32_t InitMicrophone() override { return impl_->InitMicrophone(); }
   bool MicrophoneIsInitialized() const override {
     return impl_->MicrophoneIsInitialized();
   }
   int32_t SpeakerVolumeIsAvailable(bool* available) override {
     return impl_->SpeakerVolumeIsAvailable(available);
@@ skipping 175 matching lines @@
       new rtc::RefCountedObject<ADMWrapper>(id, audio_layer, observer));
 
   if (!audio_device->IsValid()) {
     return nullptr;
   }
 
   return audio_device;
 }
 
 }  // namespace webrtc