Remove dead code

webrtc/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.cc

Index: webrtc/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.cc
diff --git a/webrtc/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.cc b/webrtc/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.cc
index 897eed23f421f2863aa73152c72cd4ede9fb2b37..7b4a919d7c7b5311c7686ec3d5968c5a2632c89f 100644
--- a/webrtc/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.cc
+++ b/webrtc/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.cc
@@ -16,7 +16,6 @@
 #include "webrtc/modules/audio_coding/codecs/pcm16b/pcm16b.h"
 #include "webrtc/rtc_base/checks.h"
 #include "webrtc/rtc_base/safe_conversions.h"
-#include "webrtc/rtc_base/string_to_number.h"
 
 namespace webrtc {
 
@@ -35,6 +34,7 @@ AudioEncoder::CodecType AudioEncoderPcm16B::GetCodecType() const {
 }
 
 namespace {
+
 AudioEncoderPcm16B::Config CreateConfig(const CodecInst& codec_inst) {
   AudioEncoderPcm16B::Config config;
   config.num_channels = codec_inst.channels;
@@ -45,23 +45,6 @@ AudioEncoderPcm16B::Config CreateConfig(const CodecInst& codec_inst) {
   return config;
 }
 
-AudioEncoderPcm16B::Config CreateConfig(int payload_type,
-                                        const SdpAudioFormat& format) {
-  AudioEncoderPcm16B::Config config;
-  config.num_channels = format.num_channels;
-  config.sample_rate_hz = format.clockrate_hz;
-  config.frame_size_ms = 10;
-  auto ptime_iter = format.parameters.find("ptime");
-  if (ptime_iter != format.parameters.end()) {
-    auto ptime = rtc::StringToNumber<int>(ptime_iter->second);
-    if (ptime && *ptime > 0) {
-      const int whole_packets = *ptime / 10;
-      config.frame_size_ms = std::max(10, std::min(whole_packets * 10, 60));
-    }
-  }
-  config.payload_type = payload_type;
-  return config;
-}
 }  // namespace
 
 bool AudioEncoderPcm16B::Config::IsOk() const {
@@ -74,24 +57,4 @@ bool AudioEncoderPcm16B::Config::IsOk() const {
 AudioEncoderPcm16B::AudioEncoderPcm16B(const CodecInst& codec_inst)
     : AudioEncoderPcm16B(CreateConfig(codec_inst)) {}
 
-AudioEncoderPcm16B::AudioEncoderPcm16B(int payload_type,
-                                       const SdpAudioFormat& format)
-    : AudioEncoderPcm16B(CreateConfig(payload_type, format)) {}
-
-rtc::Optional<AudioCodecInfo> AudioEncoderPcm16B::QueryAudioEncoder(
-    const SdpAudioFormat& format) {
-  if (STR_CASE_CMP(format.name.c_str(), GetPayloadName()) == 0 &&
-      format.num_channels >= 1) {
-    Config config = CreateConfig(0, format);
-    if (config.IsOk()) {
-      constexpr int bits_per_sample = 16;
-      return rtc::Optional<AudioCodecInfo>(
-          {config.sample_rate_hz, config.num_channels,
-           config.sample_rate_hz * bits_per_sample *
-               rtc::dchecked_cast<int>(config.num_channels)});
-    }
-  }
-  return rtc::Optional<AudioCodecInfo>();
-}
-
 }  // namespace webrtc