Injectable audio encoders: voice_engine/channel changes.

webrtc/voice_engine/channel_proxy.cc

Index: webrtc/voice_engine/channel_proxy.cc
diff --git a/webrtc/voice_engine/channel_proxy.cc b/webrtc/voice_engine/channel_proxy.cc
index 4e690fb62f071d6483feb0d90d4de9d52a62964a..e7a7b9cda51e575ad419bebf9867d623a0f146d9 100644
--- a/webrtc/voice_engine/channel_proxy.cc
+++ b/webrtc/voice_engine/channel_proxy.cc
@@ -28,6 +28,12 @@ ChannelProxy::ChannelProxy(const ChannelOwner& channel_owner) :
 
 ChannelProxy::~ChannelProxy() {}
 
+bool ChannelProxy::SetEncoder(int payload_type,
+                              std::unique_ptr<AudioEncoder> encoder) {
+  RTC_DCHECK(worker_thread_checker_.CalledOnValidThread());
+  return channel()->SetEncoder(payload_type, std::move(encoder));
+}
+
 void ChannelProxy::SetRTCPStatus(bool enable) {
   RTC_DCHECK(worker_thread_checker_.CalledOnValidThread());
   channel()->SetRTCPStatus(enable);