Remove deprecated PeerConnectionObserver::OnStateChange and OnIceComplete

talk/app/webrtc/webrtcsession.h

Index: talk/app/webrtc/webrtcsession.h
diff --git a/talk/app/webrtc/webrtcsession.h b/talk/app/webrtc/webrtcsession.h
index 9695de65d3c03df4d6767ef02383fefec01c5f51..7378736b15fee0bd86b035fd8d4953ab8829b942 100644
--- a/talk/app/webrtc/webrtcsession.h
+++ b/talk/app/webrtc/webrtcsession.h
@@ -96,10 +96,6 @@ class IceObserver {
       PeerConnectionInterface::IceGatheringState new_state) {}
   // New Ice candidate have been found.
   virtual void OnIceCandidate(const IceCandidateInterface* candidate) = 0;
-  // All Ice candidates have been found.
-  // TODO(bemasc): Remove this once callers transition to OnIceGatheringChange.
-  // (via PeerConnectionObserver)
-  virtual void OnIceComplete() {}
 
   // Called whenever the state changes between receiving and not receiving.
   virtual void OnIceConnectionReceivingChange(bool receiving) {}