WIP: Move the creation of AudioCodecFactory into PeerConnectionFactory.

webrtc/media/engine/webrtcvoiceengine.cc

Index: webrtc/media/engine/webrtcvoiceengine.cc
diff --git a/webrtc/media/engine/webrtcvoiceengine.cc b/webrtc/media/engine/webrtcvoiceengine.cc
index ed67ce84ba00cc520872b1a17e0ea8bdbb579160..3125c42e04efd74a031c6474b2e2c12464f8d6da 100644
--- a/webrtc/media/engine/webrtcvoiceengine.cc
+++ b/webrtc/media/engine/webrtcvoiceengine.cc
@@ -520,13 +520,17 @@ bool WebRtcVoiceEngine::ToCodecInst(const AudioCodec& in,
   return WebRtcVoiceCodecs::ToCodecInst(in, out);
 }
 
-WebRtcVoiceEngine::WebRtcVoiceEngine(webrtc::AudioDeviceModule* adm)
-    : WebRtcVoiceEngine(adm, new VoEWrapper()) {
+WebRtcVoiceEngine::WebRtcVoiceEngine(
+    webrtc::AudioDeviceModule* adm,
+    std::shared_ptr<webrtc::AudioDecoderFactory> decoder_factory)
+    : WebRtcVoiceEngine(adm, decoder_factory, new VoEWrapper()) {
   audio_state_ = webrtc::AudioState::Create(MakeAudioStateConfig(voe()));
 }
 
-WebRtcVoiceEngine::WebRtcVoiceEngine(webrtc::AudioDeviceModule* adm,
-                                     VoEWrapper* voe_wrapper)
+WebRtcVoiceEngine::WebRtcVoiceEngine(
+    webrtc::AudioDeviceModule* adm,
+    std::shared_ptr<webrtc::AudioDecoderFactory> decoder_factory,
+    VoEWrapper* voe_wrapper)
     : adm_(adm), voe_wrapper_(voe_wrapper) {
   RTC_DCHECK(worker_thread_checker_.CalledOnValidThread());
   LOG(LS_INFO) << "WebRtcVoiceEngine::WebRtcVoiceEngine";
@@ -547,7 +551,8 @@ WebRtcVoiceEngine::WebRtcVoiceEngine(webrtc::AudioDeviceModule* adm,
   webrtc::Trace::SetTraceCallback(this);
   webrtc::Trace::set_level_filter(kElevatedTraceFilter);
   LOG(LS_INFO) << webrtc::VoiceEngine::GetVersionString();
-  RTC_CHECK_EQ(0, voe_wrapper_->base()->Init(adm_.get()));
+  RTC_CHECK_EQ(0, voe_wrapper_->base()->Init(adm_.get(), nullptr,
+                                             std::move(decoder_factory)));
   webrtc::Trace::set_level_filter(kDefaultTraceFilter);
 
   // No ADM supplied? Get the default one from VoE.