Delete a chain of methods in ViE, VoE and ACM

webrtc/video_engine/vie_sync_module.cc

 /*
  *  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.
  */
 
@@ skipping 153 matching lines @@
   }
 
   if (voe_sync_interface_->SetMinimumPlayoutDelay(
       voe_channel_id_, target_audio_delay_ms) == -1) {
     LOG(LS_ERROR) << "Error setting voice delay.";
   }
   vcm_->SetMinimumPlayoutDelay(target_video_delay_ms);
   return 0;
 }
 
-int ViESyncModule::SetTargetBufferingDelay(int target_delay_ms) {
-  CriticalSectionScoped cs(data_cs_.get());
-  if (!voe_sync_interface_) {
-    LOG(LS_ERROR) << "voe_sync_interface_ NULL, can't set playout delay.";
-    return -1;
-  }
-  sync_->SetTargetBufferingDelay(target_delay_ms);
-  // Setting initial playout delay to voice engine (video engine is updated via
-  // the VCM interface).
-  voe_sync_interface_->SetInitialPlayoutDelay(voe_channel_id_,
-                                              target_delay_ms);
-  return 0;
-}
-
 }  // namespace webrtc