Revert of AcmReceiver: Ask NetEq to delete all decoders at once instead of one by one

webrtc/modules/audio_coding/neteq/decoder_database.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 151 matching lines @@
   }
   if (active_decoder_type_ == rtp_payload_type) {
     active_decoder_type_ = -1;  // No active decoder.
   }
   if (active_cng_decoder_type_ == rtp_payload_type) {
     active_cng_decoder_type_ = -1;  // No active CNG decoder.
   }
   return kOK;
 }
 
-void DecoderDatabase::RemoveAll() {
-  decoders_.clear();
-  active_decoder_type_ = -1;      // No active decoder.
-  active_cng_decoder_type_ = -1;  // No active CNG decoder.
-}
-
 const DecoderDatabase::DecoderInfo* DecoderDatabase::GetDecoderInfo(
     uint8_t rtp_payload_type) const {
   DecoderMap::const_iterator it = decoders_.find(rtp_payload_type);
   if (it == decoders_.end()) {
     // Decoder not found.
     return NULL;
   }
   return &(*it).second;
 }
 
@@ skipping 105 matching lines @@
       LOG(LS_WARNING) << "CheckPayloadTypes: unknown RTP payload type "
                       << static_cast<int>((*it)->header.payloadType);
       return kDecoderNotFound;
     }
   }
   return kOK;
 }
 
 
 }  // namespace webrtc