Remove the VoEDtmf interface.

webrtc/test/mock_voice_engine.h

 /*
  *  Copyright (c) 2015 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 125 matching lines @@
   MOCK_METHOD2(GetFECStatus, int(int channel, bool& enabled));
   MOCK_METHOD4(SetVADStatus,
                int(int channel, bool enable, VadModes mode, bool disableDTX));
   MOCK_METHOD4(
       GetVADStatus,
       int(int channel, bool& enabled, VadModes& mode, bool& disabledDTX));
   MOCK_METHOD2(SetOpusMaxPlaybackRate, int(int channel, int frequency_hz));
   MOCK_METHOD2(SetOpusDtx, int(int channel, bool enable_dtx));
   MOCK_METHOD0(GetEventLog, RtcEventLog*());
 
-  // VoEDtmf
-  MOCK_METHOD5(SendTelephoneEvent,
-               int(int channel,
-                   int eventCode,
-                   bool outOfBand,
-                   int lengthMs,
-                   int attenuationDb));
-  MOCK_METHOD2(SetSendTelephoneEventPayloadType,
-               int(int channel, unsigned char type));
-  MOCK_METHOD2(GetSendTelephoneEventPayloadType,
-               int(int channel, unsigned char& type));
-  MOCK_METHOD2(SetDtmfFeedbackStatus, int(bool enable, bool directFeedback));
-  MOCK_METHOD2(GetDtmfFeedbackStatus, int(bool& enabled, bool& directFeedback));
-  MOCK_METHOD3(PlayDtmfTone,
-               int(int eventCode, int lengthMs, int attenuationDb));
-
   // VoEExternalMedia
   MOCK_METHOD3(RegisterExternalMediaProcessing,
                int(int channel,
                    ProcessingTypes type,
                    VoEMediaProcess& processObject));
   MOCK_METHOD2(DeRegisterExternalMediaProcessing,
                int(int channel, ProcessingTypes type));
   MOCK_METHOD3(GetAudioFrame,
                int(int channel, int desired_sample_rate_hz, AudioFrame* frame));
   MOCK_METHOD2(SetExternalMixing, int(int channel, bool enable));
@@ skipping 158 matching lines @@
                int(int channel, unsigned& level));
   MOCK_METHOD2(SetChannelOutputVolumeScaling, int(int channel, float scaling));
   MOCK_METHOD2(GetChannelOutputVolumeScaling, int(int channel, float& scaling));
   MOCK_METHOD3(SetOutputVolumePan, int(int channel, float left, float right));
   MOCK_METHOD3(GetOutputVolumePan, int(int channel, float& left, float& right));
 };
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_AUDIO_MOCK_VOICE_ENGINE_H_