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

webrtc/p2p/base/session.h

Index: webrtc/p2p/base/session.h
diff --git a/webrtc/p2p/base/session.h b/webrtc/p2p/base/session.h
index 8d7aa21c222b3c19d42ac943d3666d3a05f72cb2..f4a4ce362b370e4e2d9a1286991f6f1bbd12defe 100644
--- a/webrtc/p2p/base/session.h
+++ b/webrtc/p2p/base/session.h
@@ -373,8 +373,6 @@ class BaseSession : public sigslot::has_slots<>,
   // time.  If this does not occur, we signal an error.
   virtual void OnTransportWritable(Transport* transport) {
   }
-  virtual void OnTransportReadable(Transport* transport) {
-  }
 
   virtual void OnTransportReceiving(Transport* transport) {
   }