Remove VoEVideoSync interface.

webrtc/test/mock_voe_channel_proxy.h

 /*
  *  Copyright (c) 2015 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 58 matching lines @@
   MOCK_METHOD2(GetAudioFrameWithInfo,
       AudioMixer::Source::AudioFrameInfo(int sample_rate_hz,
                                          AudioFrame* audio_frame));
   MOCK_CONST_METHOD0(NeededFrequency, int());
   MOCK_METHOD1(SetTransportOverhead, void(int transport_overhead_per_packet));
   MOCK_METHOD1(AssociateSendChannel,
                void(const ChannelProxy& send_channel_proxy));
   MOCK_METHOD0(DisassociateSendChannel, void());
   MOCK_CONST_METHOD2(GetRtpRtcp, void(RtpRtcp** rtp_rtcp,
                                       RtpReceiver** rtp_receiver));
-  MOCK_CONST_METHOD2(GetDelayEstimate, void(int* jitter_buffer_delay_ms,
-                                            int* playout_buffer_delay_ms));
   MOCK_CONST_METHOD0(GetPlayoutTimestamp, uint32_t());
   MOCK_METHOD1(SetMinimumPlayoutDelay, void(int delay_ms));
   MOCK_CONST_METHOD1(GetRecCodec, bool(CodecInst* codec_inst));
   MOCK_CONST_METHOD1(GetSendCodec, bool(CodecInst* codec_inst));
   MOCK_METHOD1(SetVADStatus, bool(bool enable));
   MOCK_METHOD1(SetCodecFECStatus, bool(bool enable));
   MOCK_METHOD1(SetOpusDtx, bool(bool enable));
   MOCK_METHOD1(SetOpusMaxPlaybackRate, bool(int frequency_hz));
   MOCK_METHOD1(SetSendCodec, bool(const CodecInst& codec_inst));
   MOCK_METHOD2(SetSendCNPayloadType,
                bool(int type, PayloadFrequencies frequency));
 };
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_TEST_MOCK_VOE_CHANNEL_PROXY_H_