Remove voe::Channel::StopReceive() and associated logic.

webrtc/voice_engine/channel.cc

Index: webrtc/voice_engine/channel.cc
diff --git a/webrtc/voice_engine/channel.cc b/webrtc/voice_engine/channel.cc
index deea05772716abfaabadcf0725ece599ace6cb36..c434b1d61cd0c6621fba8f78c0a9b1c2c9ca5368 100644
--- a/webrtc/voice_engine/channel.cc
+++ b/webrtc/voice_engine/channel.cc
@@ -1222,26 +1222,10 @@ int32_t Channel::StopSend() {
   return 0;
 }
 
-int32_t Channel::StartReceiving() {
+void Channel::ResetDiscardedPacketCount() {
   WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, _channelId),
-               "Channel::StartReceiving()");
-  if (channel_state_.Get().receiving) {
-    return 0;
-  }
-  channel_state_.SetReceiving(true);
+               "Channel::ResetDiscardedPacketCount()");
   _numberOfDiscardedPackets = 0;
-  return 0;
-}
-
-int32_t Channel::StopReceiving() {
-  WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, _channelId),
-               "Channel::StopReceiving()");
-  if (!channel_state_.Get().receiving) {
-    return 0;
-  }
-
-  channel_state_.SetReceiving(false);
-  return 0;
 }
 
 int32_t Channel::RegisterVoiceEngineObserver(VoiceEngineObserver& observer) {
@@ -1370,12 +1354,6 @@ int32_t Channel::SetRecPayloadType(const CodecInst& codec) {
         "SetRecPayloadType() unable to set PT while playing");
     return -1;
   }
-  if (channel_state_.Get().receiving) {
-    _engineStatisticsPtr->SetLastError(
-        VE_ALREADY_LISTENING, kTraceError,
-        "SetRecPayloadType() unable to set PT while listening");
-    return -1;
-  }
 
   if (codec.pltype == -1) {
     // De-register the selected codec (RTP/RTCP module and ACM)