Delete a chain of methods in ViE, VoE and ACM

webrtc/test/fake_voice_engine.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 423 matching lines @@
     receive_blocks->push_back(block);   // Duplicate SSRC, bad fraction_lost.
     return 0;
   }
   int SetNACKStatus(int channel, bool enable, int maxNoPackets) override {
     return -1;
   }
 
   // VoEVideoSync
   int GetPlayoutBufferSize(int& buffer_ms) override { return -1; }
   int SetMinimumPlayoutDelay(int channel, int delay_ms) override { return -1; }
-  int SetInitialPlayoutDelay(int channel, int delay_ms) override { return -1; }
   int GetDelayEstimate(int channel,
                        int* jitter_buffer_delay_ms,
                        int* playout_buffer_delay_ms) override {
     EXPECT_EQ(channel, kRecvChannelId);
     *jitter_buffer_delay_ms = kRecvJitterBufferDelay;
     *playout_buffer_delay_ms = kRecvPlayoutBufferDelay;
     return 0;
   }
   int GetLeastRequiredDelayMs(int channel) const override { return -1; }
   int SetInitTimestamp(int channel, unsigned int timestamp) override {
@@ skipping 40 matching lines @@
     return -1;
   }
   int GetOutputVolumePan(int channel, float& left, float& right) override {
     return -1;
   }
 };
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_AUDIO_FAKE_VOICE_ENGINE_H_