Full impl of NnChannel::SetSendParameters and NnChannel::SetRecvParameters

talk/media/webrtc/webrtcvideoengine2.cc

Index: talk/media/webrtc/webrtcvideoengine2.cc
diff --git a/talk/media/webrtc/webrtcvideoengine2.cc b/talk/media/webrtc/webrtcvideoengine2.cc
index 5957329ae360eb4059ade164293eab73a8762aa9..c8ba691df573bb115e48711ffdf6757a62d73c9e 100644
--- a/talk/media/webrtc/webrtcvideoengine2.cc
+++ b/talk/media/webrtc/webrtcvideoengine2.cc
@@ -611,11 +611,10 @@ WebRtcVideoChannel2* WebRtcVideoEngine2::CreateChannel(
       new WebRtcVideoChannel2(call_factory_, voice_engine_,
           static_cast<WebRtcVoiceMediaChannel*>(voice_channel), options,
           external_encoder_factory_, external_decoder_factory_);
-  if (!channel->Init()) {
+  if (!channel->Init(video_codecs_)) {
     delete channel;
     return NULL;
   }
-  channel->SetRecvCodecs(video_codecs_);
   return channel;
 }
 
@@ -821,7 +820,10 @@ WebRtcVideoChannel2::~WebRtcVideoChannel2() {
     delete kv.second;
 }
 
-bool WebRtcVideoChannel2::Init() { return true; }
+bool WebRtcVideoChannel2::Init(const std::vector<VideoCodec>& recv_codecs) {
+  SetRecvCodecs(recv_codecs);
+  return true;
+}
 
 void WebRtcVideoChannel2::DetachVoiceChannel() {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ -1500,7 +1502,8 @@ void WebRtcVideoChannel2::OnReadyToSend(bool ready) {
   call_->SignalNetworkState(ready ? webrtc::kNetworkUp : webrtc::kNetworkDown);
 }
 
-bool WebRtcVideoChannel2::MuteStream(uint32 ssrc, bool mute) {
+bool WebRtcVideoChannel2::MuteStream(uint32 ssrc, bool mute,
+                                     const VideoOptions* options) {
   LOG(LS_VERBOSE) << "MuteStream: " << ssrc << " -> "
                   << (mute ? "mute" : "unmute");
   DCHECK(ssrc != 0);
@@ -1511,7 +1514,12 @@ bool WebRtcVideoChannel2::MuteStream(uint32 ssrc, bool mute) {
   }
 
   send_streams_[ssrc]->MuteStream(mute);
-  return true;
+
+  if (!mute && options) {
+    return SetOptions(*options);
+  } else {
+    return true;
+  }
 }
 
 bool WebRtcVideoChannel2::SetRecvRtpHeaderExtensions(