Remove usage of VoEAudioProcessing from WVoE/MC.

webrtc/voice_engine/voe_base_impl.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 20 matching lines @@
   int Init(AudioDeviceModule* external_adm = nullptr,
            AudioProcessing* audioproc = nullptr,
            const rtc::scoped_refptr<AudioDecoderFactory>& decoder_factory =
                nullptr) override;
   AudioProcessing* audio_processing() override {
     return shared_->audio_processing();
   }
   AudioDeviceModule* audio_device_module() override {
     return shared_->audio_device();
   }
+  voe::TransmitMixer* transmit_mixer() override {
+    return shared_->transmit_mixer();
+  }
   int Terminate() override;
 
   int CreateChannel() override;
   int CreateChannel(const ChannelConfig& config) override;
   int DeleteChannel(int channel) override;
 
   int StartReceive(int channel) override;
   int StartPlayout(int channel) override;
   int StartSend(int channel) override;
   int StopPlayout(int channel) override;
@@ skipping 79 matching lines @@
   rtc::CriticalSection callbackCritSect_;
   rtc::scoped_refptr<AudioDecoderFactory> decoder_factory_;
 
   AudioFrame audioFrame_;
   voe::SharedData* shared_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_VOICE_ENGINE_VOE_BASE_IMPL_H