Remove VoEVideoSync interface.

webrtc/voice_engine/voe_video_sync_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_VIDEO_SYNC_IMPL_H
-#define WEBRTC_VOICE_ENGINE_VOE_VIDEO_SYNC_IMPL_H
-
-#include "webrtc/voice_engine/include/voe_video_sync.h"
-
-#include "webrtc/voice_engine/shared_data.h"
-
-namespace webrtc {
-
-class VoEVideoSyncImpl : public VoEVideoSync {
- public:
-  int GetPlayoutBufferSize(int& bufferMs) override;
-
-  int SetMinimumPlayoutDelay(int channel, int delayMs) override;
-
-  int GetDelayEstimate(int channel,
-                       int* jitter_buffer_delay_ms,
-                       int* playout_buffer_delay_ms) override;
-
-  int GetLeastRequiredDelayMs(int channel) const override;
-
-  int SetInitTimestamp(int channel, unsigned int timestamp) override;
-
-  int SetInitSequenceNumber(int channel, short sequenceNumber) override;
-
-  int GetPlayoutTimestamp(int channel, unsigned int& timestamp) override;
-
-  int GetRtpRtcp(int channel,
-                 RtpRtcp** rtpRtcpModule,
-                 RtpReceiver** rtp_receiver) override;
-
- protected:
-  VoEVideoSyncImpl(voe::SharedData* shared);
-  ~VoEVideoSyncImpl() override;
-
- private:
-  voe::SharedData* _shared;
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_VOICE_ENGINE_VOE_VIDEO_SYNC_IMPL_H