Remove ACMCodecDB::CodecFreq

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

Index: webrtc/modules/audio_coding/main/acm2/acm_receiver.cc
diff --git a/webrtc/modules/audio_coding/main/acm2/acm_receiver.cc b/webrtc/modules/audio_coding/main/acm2/acm_receiver.cc
index b8e8b9d4bc7fe5cb8c401b4c5a8afc412f5abcb6..34726ccb204b6f0b91f4f2736509743b463f55f4 100644
--- a/webrtc/modules/audio_coding/main/acm2/acm_receiver.cc
+++ b/webrtc/modules/audio_coding/main/acm2/acm_receiver.cc
@@ -178,7 +178,10 @@ int AcmReceiver::InsertPacket(const WebRtcRTPHeader& rtp_header,
                       << " is not registered.";
       return -1;
     }
-    const int sample_rate_hz = ACMCodecDB::CodecFreq(decoder->acm_codec_id);
+    const int sample_rate_hz = [&decoder] {
+      const auto ci = RentACodec::CodecIdFromIndex(decoder->acm_codec_id);
+      return ci ? RentACodec::CodecInstById(*ci)->plfreq : -1;
+    }();
     receive_timestamp = NowInTimestamp(sample_rate_hz);
 
     // If this is a CNG while the audio codec is not mono, skip pushing in