Remove VoEVolumeControl interface.

webrtc/voice_engine/voe_volume_control_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.
- */
-
-#ifndef WEBRTC_VOICE_ENGINE_VOE_VOLUME_CONTROL_IMPL_H
-#define WEBRTC_VOICE_ENGINE_VOE_VOLUME_CONTROL_IMPL_H
-
-#include "webrtc/voice_engine/include/voe_volume_control.h"
-
-#include "webrtc/voice_engine/shared_data.h"
-
-namespace webrtc {
-
-class VoEVolumeControlImpl : public VoEVolumeControl {
- public:
-  int SetSpeakerVolume(unsigned int volume) override;
-
-  int GetSpeakerVolume(unsigned int& volume) override;
-
-  int SetMicVolume(unsigned int volume) override;
-
-  int GetMicVolume(unsigned int& volume) override;
-
-  int SetInputMute(int channel, bool enable) override;
-
-  int GetInputMute(int channel, bool& enabled) override;
-
-  int GetSpeechInputLevel(unsigned int& level) override;
-
-  int GetSpeechOutputLevel(int channel, unsigned int& level) override;
-
-  int GetSpeechInputLevelFullRange(unsigned int& level) override;
-
-  int GetSpeechOutputLevelFullRange(int channel, unsigned int& level) override;
-
-  int SetChannelOutputVolumeScaling(int channel, float scaling) override;
-
-  int GetChannelOutputVolumeScaling(int channel, float& scaling) override;
-
-  int SetOutputVolumePan(int channel, float left, float right) override;
-
-  int GetOutputVolumePan(int channel, float& left, float& right) override;
-
- protected:
-  VoEVolumeControlImpl(voe::SharedData* shared);
-  ~VoEVolumeControlImpl() override;
-
- private:
-  voe::SharedData* _shared;
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_VOICE_ENGINE_VOE_VOLUME_CONTROL_IMPL_H