Update prflx candidates' generation when setting ICE credentials.

webrtc/p2p/base/p2ptransportchannel.h

Index: webrtc/p2p/base/p2ptransportchannel.h
diff --git a/webrtc/p2p/base/p2ptransportchannel.h b/webrtc/p2p/base/p2ptransportchannel.h
index 4a53d755af59bb742a8c981f0ceabf473a59412a..bfcb996491756470e0c4ae2c9afe0cce35fa13bc 100644
--- a/webrtc/p2p/base/p2ptransportchannel.h
+++ b/webrtc/p2p/base/p2ptransportchannel.h
@@ -37,18 +37,6 @@ namespace cricket {
 
 extern const int WEAK_PING_INTERVAL;
 
-struct IceParameters {
-  std::string ufrag;
-  std::string pwd;
-  IceParameters(const std::string& ice_ufrag, const std::string& ice_pwd)
-      : ufrag(ice_ufrag), pwd(ice_pwd) {}
-
-  bool operator==(const IceParameters& other) {
-    return ufrag == other.ufrag && pwd == other.pwd;
-  }
-  bool operator!=(const IceParameters& other) { return !(*this == other); }
-};
-
 // Adds the port on which the candidate originated.
 class RemoteCandidate : public Candidate {
  public: