Move AudioDecoderIsac* to its own files

webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc

Index: webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/source/audio_encoder_isac.cc b/webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc
similarity index 73%
copy from webrtc/modules/audio_coding/codecs/isac/main/source/audio_encoder_isac.cc
copy to webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc
index eac7cc79e7debf98d0ac61f7b44126b713e15076..89879adafba17f6f31bc393074bd6c8ccf0a0b37 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/source/audio_encoder_isac.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+ *  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
@@ -8,14 +8,13 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h"
+#include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_decoder_isac.h"
 
-#include "webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h"
+#include "webrtc/modules/audio_coding/codecs/isac/audio_decoder_isac_t_impl.h"
 
 namespace webrtc {
 
 // Explicit instantiation:
-template class AudioEncoderIsacT<IsacFloat>;
 template class AudioDecoderIsacT<IsacFloat>;
 
 }  // namespace webrtc