Removes unused WaveOut APIs from ADM

webrtc/modules/audio_device/mac/audio_device_mac.cc

 /*
  *  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.
  */
 
@@ skipping 530 matching lines @@
   uint32_t level(0);
 
   if (_mixerManager.SpeakerVolume(level) == -1) {
     return -1;
   }
 
   volume = level;
   return 0;
 }
 
-int32_t AudioDeviceMac::SetWaveOutVolume(uint16_t volumeLeft,
-                                         uint16_t volumeRight) {
-  LOG(LS_WARNING) << "API call not supported on this platform";
-  return -1;
-}
-
-int32_t AudioDeviceMac::WaveOutVolume(uint16_t& /*volumeLeft*/,
-                                      uint16_t& /*volumeRight*/) const {
-  LOG(LS_WARNING) << "API call not supported on this platform";
-  return -1;
-}
-
 int32_t AudioDeviceMac::MaxSpeakerVolume(uint32_t& maxVolume) const {
   uint32_t maxVol(0);
 
   if (_mixerManager.MaxSpeakerVolume(maxVol) == -1) {
     return -1;
   }
 
   maxVolume = maxVol;
   return 0;
 }
@@ skipping 2136 matching lines @@
     bool keyState =
         CGEventSourceKeyState(kCGEventSourceStateHIDSystemState, key_index);
     // A false -> true change in keymap means a key is pressed.
     key_down |= (keyState && !prev_key_state_[key_index]);
     // Save current state.
     prev_key_state_[key_index] = keyState;
   }
   return key_down;
 }
 }  // namespace webrtc