Revert r9378 "Rename APM Config DelayCorrection to ExtendedFilter"

talk/media/webrtc/webrtcvoiceengine.h

 /*
  * libjingle
  * Copyright 2004 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 248 matching lines @@
   // When the media processor registers with the engine, the ssrc is cached
   // here so that a look up need not be made when the callback is invoked.
   // This is necessary because the lookup results in mux_channels_cs lock being
   // held and if a remote participant leaves the hangout at the same time
   // we hit a deadlock.
   uint32 tx_processor_ssrc_;
   uint32 rx_processor_ssrc_;
 
   rtc::CriticalSection signal_media_critical_;
 
-  // Cache received extended_filter_aec, delay_agnostic_aec and experimental_ns
+  // Cache received experimental_aec, delay_agnostic_aec and experimental_ns
   // values, and apply them in case they are missing in the audio options. We
   // need to do this because SetExtraOptions() will revert to defaults for
   // options which are not provided.
-  Settable<bool> extended_filter_aec_;
+  Settable<bool> experimental_aec_;
   Settable<bool> delay_agnostic_aec_;
   Settable<bool> experimental_ns_;
 };
 
 // WebRtcVoiceMediaChannel is an implementation of VoiceMediaChannel that uses
 // WebRtc Voice Engine.
 class WebRtcVoiceMediaChannel : public VoiceMediaChannel,
                                 public webrtc::Transport {
  public:
   explicit WebRtcVoiceMediaChannel(WebRtcVoiceEngine *engine);
@@ skipping 168 matching lines @@
   std::vector<webrtc::RtpExtension> recv_rtp_extensions_;
 
   // Do not lock this on the VoE media processor thread; potential for deadlock
   // exists.
   mutable rtc::CriticalSection receive_channels_cs_;
 };
 
 }  // namespace cricket
 
 #endif  // TALK_MEDIA_WEBRTCVOICEENGINE_H_