WIP: Move the creation of AudioCodecFactory into PeerConnectionFactory.

webrtc/modules/audio_coding/neteq/decoder_database.cc

Index: webrtc/modules/audio_coding/neteq/decoder_database.cc
diff --git a/webrtc/modules/audio_coding/neteq/decoder_database.cc b/webrtc/modules/audio_coding/neteq/decoder_database.cc
index 4fddf75ce26d1e5ede4040911cda02415a24e6eb..5ee54bc6907485f888736d2417d1cb0d44ee6827 100644
--- a/webrtc/modules/audio_coding/neteq/decoder_database.cc
+++ b/webrtc/modules/audio_coding/neteq/decoder_database.cc
@@ -16,11 +16,12 @@
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/modules/audio_coding/codecs/audio_decoder.h"
+#include "webrtc/modules/audio_coding/codecs/builtin_audio_decoder_factory.h"
 
 namespace webrtc {
 
 DecoderDatabase::DecoderDatabase(
-    std::unique_ptr<AudioDecoderFactory> decoder_factory)
+    std::shared_ptr<AudioDecoderFactory> decoder_factory)
     : active_decoder_type_(-1),
       active_cng_decoder_type_(-1),
       decoder_factory_(std::move(decoder_factory)) {}