Remove the VoEDtmf interface.

webrtc/voice_engine/test/auto_test/fixtures/before_initialization_fixture.h

 /*
  *  Copyright (c) 2011 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.
  */
 
 #ifndef SRC_VOICE_ENGINE_MAIN_TEST_AUTO_TEST_STANDARD_TEST_BASE_H_
 #define SRC_VOICE_ENGINE_MAIN_TEST_AUTO_TEST_STANDARD_TEST_BASE_H_
 
 #include <assert.h>
 
 #include "webrtc/common.h"
 #include "webrtc/common_types.h"
 #include "webrtc/engine_configurations.h"
 #include "webrtc/voice_engine/include/voe_audio_processing.h"
 #include "webrtc/voice_engine/include/voe_base.h"
 #include "webrtc/voice_engine/include/voe_codec.h"
-#include "webrtc/voice_engine/include/voe_dtmf.h"
 #include "webrtc/voice_engine/include/voe_errors.h"
 #include "webrtc/voice_engine/include/voe_external_media.h"
 #include "webrtc/voice_engine/include/voe_file.h"
 #include "webrtc/voice_engine/include/voe_hardware.h"
 #include "webrtc/voice_engine/include/voe_neteq_stats.h"
 #include "webrtc/voice_engine/include/voe_network.h"
 #include "webrtc/voice_engine/include/voe_rtp_rtcp.h"
 #include "webrtc/voice_engine/include/voe_video_sync.h"
 #include "webrtc/voice_engine/include/voe_volume_control.h"
 #include "webrtc/voice_engine/test/auto_test/voe_test_common.h"
@@ skipping 18 matching lines @@
   virtual ~BeforeInitializationFixture();
 
  protected:
   // Use this sleep function to sleep in tests.
   void Sleep(long milliseconds);
 
   webrtc::VoiceEngine*        voice_engine_;
   webrtc::VoEBase*            voe_base_;
   webrtc::VoECodec*           voe_codec_;
   webrtc::VoEVolumeControl*   voe_volume_control_;
-  webrtc::VoEDtmf*            voe_dtmf_;
   webrtc::VoERTP_RTCP*        voe_rtp_rtcp_;
   webrtc::VoEAudioProcessing* voe_apm_;
   webrtc::VoENetwork*         voe_network_;
   webrtc::VoEFile*            voe_file_;
   webrtc::VoEVideoSync*       voe_vsync_;
   webrtc::VoEHardware*        voe_hardware_;
   webrtc::VoEExternalMedia*   voe_xmedia_;
   webrtc::VoENetEqStats*      voe_neteq_stats_;
   webrtc::Config              config_;
 };
 
 #endif  // SRC_VOICE_ENGINE_MAIN_TEST_AUTO_TEST_STANDARD_TEST_BASE_H_