Fold AudioEncoderMutable into AudioEncoder

webrtc/modules/audio_coding/codecs/isac/fix/source/audio_encoder_isacfix.cc

Index: webrtc/modules/audio_coding/codecs/isac/fix/source/audio_encoder_isacfix.cc
diff --git a/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_encoder_isacfix.cc b/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_encoder_isacfix.cc
index 2f8d4b6e5d411f661f9b7be4fefedc42ee2cd961..9b2f3174b890e3bd23f3f6308958fbf19cff0f83 100644
--- a/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_encoder_isacfix.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_encoder_isacfix.cc
@@ -10,7 +10,6 @@
 
 #include "webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_encoder_isacfix.h"
 
-#include "webrtc/common_types.h"
 #include "webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h"
 
 namespace webrtc {
@@ -21,38 +20,4 @@ const uint16_t IsacFix::kFixSampleRate;
 template class AudioEncoderIsacT<IsacFix>;
 template class AudioDecoderIsacT<IsacFix>;
 
-namespace {
-AudioEncoderIsacFix::Config CreateConfig(const CodecInst& codec_inst,
-                                         LockedIsacBandwidthInfo* bwinfo) {
-  AudioEncoderIsacFix::Config config;
-  config.bwinfo = bwinfo;
-  config.payload_type = codec_inst.pltype;
-  config.sample_rate_hz = codec_inst.plfreq;
-  config.frame_size_ms =
-      rtc::CheckedDivExact(1000 * codec_inst.pacsize, config.sample_rate_hz);
-  if (codec_inst.rate != -1)
-    config.bit_rate = codec_inst.rate;
-  config.adaptive_mode = (codec_inst.rate == -1);
-  return config;
-}
-}  // namespace
-
-AudioEncoderMutableIsacFix::AudioEncoderMutableIsacFix(
-    const CodecInst& codec_inst,
-    LockedIsacBandwidthInfo* bwinfo)
-    : AudioEncoderMutableImpl<AudioEncoderIsacFix>(
-          CreateConfig(codec_inst, bwinfo)) {}
-
-void AudioEncoderMutableIsacFix::SetMaxPayloadSize(int max_payload_size_bytes) {
-  auto conf = config();
-  conf.max_payload_size_bytes = max_payload_size_bytes;
-  Reconstruct(conf);
-}
-
-void AudioEncoderMutableIsacFix::SetMaxRate(int max_rate_bps) {
-  auto conf = config();
-  conf.max_bit_rate = max_rate_bps;
-  Reconstruct(conf);
-}
-
 }  // namespace webrtc