Remove ACMCodecDB::Codec, and make the rest of ACMCodecDB private

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

Index: webrtc/modules/audio_coding/main/acm2/acm_codec_database.cc
diff --git a/webrtc/modules/audio_coding/main/acm2/acm_codec_database.cc b/webrtc/modules/audio_coding/main/acm2/acm_codec_database.cc
index 0855dd648a5f1fb123db48d862c875b16b64d7f6..b54fc0bd485c2467092ca7b339e81454069e102e 100644
--- a/webrtc/modules/audio_coding/main/acm2/acm_codec_database.cc
+++ b/webrtc/modules/audio_coding/main/acm2/acm_codec_database.cc
@@ -209,20 +209,6 @@ const NetEqDecoder ACMCodecDB::neteq_decoders_[] = {
 #endif
 };
 
-// Get codec information from database.
-// TODO(tlegrand): replace memcpy with a pointer to the data base memory.
-int ACMCodecDB::Codec(int codec_id, CodecInst* codec_inst) {
-  // Error check to see that codec_id is not out of bounds.
-  if (static_cast<size_t>(codec_id) >= RentACodec::NumberOfCodecs()) {
-    return -1;
-  }
-
-  // Copy database information for the codec to the output.
-  memcpy(codec_inst, &database_[codec_id], sizeof(CodecInst));
-
-  return 0;
-}
-
 // Enumerator for error codes when asking for codec database id.
 enum {
   kInvalidCodec = -10,