- Clean up unused voice engine DTMF code.

webrtc/voice_engine/transmit_mixer.h

 /*
  *  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 57 matching lines @@
     int32_t EncodeAndSend();
     // Used by the Chrome to pass the recording data to the specific VoE
     // channels for encoding and sending to the network.
     void EncodeAndSend(const int voe_channels[], size_t number_of_voe_channels);
 
     // Must be called on the same thread as PrepareDemux().
     uint32_t CaptureLevel() const;
 
     int32_t StopSend();
 
-    // VoEDtmf
-    void UpdateMuteMicrophoneTime(uint32_t lengthMs);
-
     // VoEExternalMedia
     int RegisterExternalMediaProcessing(VoEMediaProcess* object,
                                         ProcessingTypes type);
     int DeRegisterExternalMediaProcessing(ProcessingTypes type);
 
     int GetMixingFrequency();
 
     // VoEVolumeControl
     int SetMute(bool enable);
 
@@ skipping 128 matching lines @@
     bool _typingNoiseDetected;
 #endif
     bool _saturationWarning;
 
     int _instanceId;
     bool _mixFileWithMicrophone;
     uint32_t _captureLevel;
     VoEMediaProcess* external_postproc_ptr_;
     VoEMediaProcess* external_preproc_ptr_;
     bool _mute;
-    int32_t _remainingMuteMicTimeMs;
     bool stereo_codec_;
     bool swap_stereo_channels_;
 };
 
 }  // namespace voe
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_VOICE_ENGINE_TRANSMIT_MIXER_H