Removes unused WaveOut APIs from ADM

webrtc/modules/audio_device/linux/audio_device_alsa_linux.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 303 matching lines @@
     if (_mixerManager.SpeakerVolume(level) == -1)
     {
         return -1;
     }
 
     volume = level;
 
     return 0;
 }
 
-
-int32_t AudioDeviceLinuxALSA::SetWaveOutVolume(uint16_t volumeLeft,
-                                               uint16_t volumeRight)
-{
-
-    LOG(LS_WARNING) << "API call not supported on this platform";
-    return -1;
-}
-
-int32_t AudioDeviceLinuxALSA::WaveOutVolume(
-    uint16_t& /*volumeLeft*/,
-    uint16_t& /*volumeRight*/) const
-{
-
-    LOG(LS_WARNING) << "API call not supported on this platform";
-    return -1;
-}
-
 int32_t AudioDeviceLinuxALSA::MaxSpeakerVolume(
     uint32_t& maxVolume) const
 {
 
     uint32_t maxVol(0);
 
     if (_mixerManager.MaxSpeakerVolume(maxVol) == -1)
     {
         return -1;
     }
@@ skipping 1801 matching lines @@
     state |= (szKey[i] ^ _oldKeyState[i]) & szKey[i];
 
   // Save old state
   memcpy((char*)_oldKeyState, (char*)szKey, sizeof(_oldKeyState));
   return (state != 0);
 #else
   return false;
 #endif
 }
 }  // namespace webrtc