TransportController refactoring

webrtc/p2p/base/dtlstransportchannel.h

Index: webrtc/p2p/base/dtlstransportchannel.h
diff --git a/webrtc/p2p/base/dtlstransportchannel.h b/webrtc/p2p/base/dtlstransportchannel.h
index 1bf77b6566a44cf958aa38e9535a1fd098f4cd43..445156f1d63c7055c214e32b260e4098dd9f270c 100644
--- a/webrtc/p2p/base/dtlstransportchannel.h
+++ b/webrtc/p2p/base/dtlstransportchannel.h
@@ -27,7 +27,7 @@ namespace cricket {
 // the bottom and a StreamInterface on the top.
 class StreamInterfaceChannel : public rtc::StreamInterface {
  public:
-  StreamInterfaceChannel(TransportChannel* channel);
+  explicit StreamInterfaceChannel(TransportChannel* channel);
 
   // Push in a packet; this gets pulled out from Read().
   bool OnPacketReceived(const char* data, size_t size);
@@ -197,9 +197,10 @@ class DtlsTransportChannelWrapper : public TransportChannelImpl {
 
   virtual void Connect();
 
-  virtual void OnSignalingReady() {
-    channel_->OnSignalingReady();
+  virtual IceGatheringState gathering_state() const {
+    return channel_->gathering_state();
   }
+
   virtual void OnCandidate(const Candidate& candidate) {
     channel_->OnCandidate(candidate);
   }
@@ -222,9 +223,8 @@ class DtlsTransportChannelWrapper : public TransportChannelImpl {
   bool SetupDtls();
   bool MaybeStartDtls();
   bool HandleDtlsPacket(const char* data, size_t size);
-  void OnRequestSignaling(TransportChannelImpl* channel);
-  void OnCandidateReady(TransportChannelImpl* channel, const Candidate& c);
-  void OnCandidatesAllocationDone(TransportChannelImpl* channel);
+  void OnGatheringState(TransportChannelImpl* channel);
+  void OnCandidateGathered(TransportChannelImpl* channel, const Candidate& c);
   void OnRoleConflict(TransportChannelImpl* channel);
   void OnRouteChange(TransportChannel* channel, const Candidate& candidate);
   void OnConnectionRemoved(TransportChannelImpl* channel);