Replace readable with receiving where receiving means receiving anything (stun ping, response or da…

webrtc/p2p/base/transport.cc

Index: webrtc/p2p/base/transport.cc
diff --git a/webrtc/p2p/base/transport.cc b/webrtc/p2p/base/transport.cc
index e3e6ca0c0888d8f66226a8bd197807c8ab7ee077..c96ddc724532eb90cadff2990f9423f6c5846ced 100644
--- a/webrtc/p2p/base/transport.cc
+++ b/webrtc/p2p/base/transport.cc
@@ -240,7 +240,6 @@ TransportChannelImpl* Transport::CreateChannel(int component) {
   if (local_description_ && remote_description_)
     ApplyNegotiatedTransportDescription(impl, NULL);
 
-  impl->SignalReadableState.connect(this, &Transport::OnChannelReadableState);
   impl->SignalWritableState.connect(this, &Transport::OnChannelWritableState);
   impl->SignalReceivingState.connect(this, &Transport::OnChannelReceivingState);
   impl->SignalGatheringState.connect(this, &Transport::OnChannelGatheringState);
@@ -293,7 +292,6 @@ void Transport::DestroyChannel(int component) {
     DestroyTransportChannel(impl);
     // Need to update aggregate state after destroying a channel,
     // for example if it was the only one that wasn't yet writable.
-    UpdateReadableState();
     UpdateWritableState();
     UpdateReceivingState();
     UpdateGatheringState();
@@ -431,10 +429,6 @@ bool Transport::AddRemoteCandidates(const std::vector<Candidate>& candidates,
   return true;
 }
 
-void Transport::OnChannelReadableState(TransportChannel* channel) {
-  UpdateReadableState();
-}
-
 void Transport::OnChannelWritableState(TransportChannel* channel) {
   LOG(LS_INFO) << name() << " TransportChannel " << channel->component()
                << " writability changed to " << channel->writable()
@@ -453,9 +447,6 @@ TransportState Transport::GetTransportState(TransportStateType state_type) {
   for (const auto iter : channels_) {
     bool b = false;
     switch (state_type) {
-      case TRANSPORT_READABLE_STATE:
-        b = iter.second->readable();
-        break;
       case TRANSPORT_WRITABLE_STATE:
         b = iter.second->writable();
         break;
@@ -595,14 +586,6 @@ void Transport::UpdateWritableState() {
   }
 }
 
-void Transport::UpdateReadableState() {
-  TransportState readable = GetTransportState(TRANSPORT_READABLE_STATE);
-  if (readable_ != readable) {
-    readable_ = readable;
-    SignalReadableState(this);
-  }
-}
-
 bool Transport::ApplyLocalTransportDescription(TransportChannelImpl* ch,
                                                std::string* error_desc) {
   ch->SetIceCredentials(local_description_->ice_ufrag,