Remove unused method AcmReceiver:RedPayloadType

webrtc/modules/audio_coding/main/acm2/acm_receiver.h

 /*
  *  Copyright (c) 2013 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 227 matching lines @@
   int last_audio_codec_id() const;  // TODO(turajs): can be inline.
 
   //
   // Get the audio codec associated with the last non-CNG/non-DTMF received
   // payload. If no non-CNG/non-DTMF packet is received -1 is returned,
   // otherwise return 0.
   //
   int LastAudioCodec(CodecInst* codec) const;
 
   //
-  // Return payload type of RED if it is registered, otherwise return -1;
-  //
-  int RedPayloadType() const;
-
-  //
   // Get a decoder given its registered payload-type.
   //
   // Input:
   //    -payload_type         : the payload-type of the codec to be retrieved.
   //
   // Output:
   //    -codec                : codec associated with the given payload-type.
   //
   // Return value             : 0 if succeeded.
   //                           -1 if failed, e.g. given payload-type is not
@@ skipping 76 matching lines @@
   // initial delay is set.
   rtc::scoped_ptr<InitialDelayManager::SyncStream> missing_packets_sync_stream_;
   rtc::scoped_ptr<InitialDelayManager::SyncStream> late_packets_sync_stream_;
 };
 
 }  // namespace acm2
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_ACM_RECEIVER_H_