Clean out unused methods from VoiceEngine and VoEBase.

media/engine/webrtcvoe.h

 /*
  *  Copyright (c) 2004 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 MEDIA_ENGINE_WEBRTCVOE_H_
 #define MEDIA_ENGINE_WEBRTCVOE_H_
 
 #include <memory>
 
-#include "media/engine/webrtccommon.h"
-
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/audio_device/include/audio_device.h"
 #include "voice_engine/include/voe_base.h"
 #include "voice_engine/include/voe_codec.h"
 #include "voice_engine/include/voe_errors.h"
 
 namespace cricket {
 // automatically handles lifetime of WebRtc VoiceEngine
 class scoped_voe_engine {
  public:
@@ skipping 48 matching lines @@
  public:
   VoEWrapper()
       : engine_(webrtc::VoiceEngine::Create()), base_(engine_) {
   }
   VoEWrapper(webrtc::VoEBase* base)
       : engine_(NULL), base_(base) {
   }
   ~VoEWrapper() {}
   webrtc::VoiceEngine* engine() const { return engine_.get(); }
   webrtc::VoEBase* base() const { return base_.get(); }
-  int error() { return base_->LastError(); }
 
  private:
   scoped_voe_engine engine_;
   scoped_voe_ptr<webrtc::VoEBase> base_;
 };
 }  // namespace cricket
 
 #endif  // MEDIA_ENGINE_WEBRTCVOE_H_