Add signaling to support ICE renomination.

webrtc/p2p/base/faketransportcontroller.h

Index: webrtc/p2p/base/faketransportcontroller.h
diff --git a/webrtc/p2p/base/faketransportcontroller.h b/webrtc/p2p/base/faketransportcontroller.h
index d79525490ea3271ef38d201de1298d6e2ee68b13..153aa56790a9e443dacda6a317e93c5a62b9bc92 100644
--- a/webrtc/p2p/base/faketransportcontroller.h
+++ b/webrtc/p2p/base/faketransportcontroller.h
@@ -88,15 +88,13 @@ class FakeTransportChannel : public TransportChannelImpl,
   void SetIceTiebreaker(uint64_t tiebreaker) override {
     tiebreaker_ = tiebreaker;
   }
-  void SetIceCredentials(const std::string& ice_ufrag,
-                         const std::string& ice_pwd) override {
-    ice_ufrag_ = ice_ufrag;
-    ice_pwd_ = ice_pwd;
-  }
-  void SetRemoteIceCredentials(const std::string& ice_ufrag,
-                               const std::string& ice_pwd) override {
-    remote_ice_ufrag_ = ice_ufrag;
-    remote_ice_pwd_ = ice_pwd;
+  void SetIceParameters(const IceParameters& ice_params) override {
+    ice_ufrag_ = ice_params.ufrag;
+    ice_pwd_ = ice_params.pwd;
+  }
+  void SetRemoteIceParameters(const IceParameters& params) override {
+    remote_ice_ufrag_ = params.ufrag;
+    remote_ice_pwd_ = params.pwd;
   }
 
   void SetRemoteIceMode(IceMode mode) override { remote_ice_mode_ = mode; }