Add TransportContext class.

remoting/protocol/fake_connection_to_host.cc

Index: remoting/protocol/fake_connection_to_host.cc
diff --git a/remoting/protocol/fake_connection_to_host.cc b/remoting/protocol/fake_connection_to_host.cc
index 29835961d5c390993d9a16efc25b926bd223e9c7..865b61cf8be422e3000d34590808ec74ccfacdfe 100644
--- a/remoting/protocol/fake_connection_to_host.cc
+++ b/remoting/protocol/fake_connection_to_host.cc
@@ -5,6 +5,7 @@
 #include "remoting/protocol/fake_connection_to_host.h"
 
 #include "remoting/protocol/authenticator.h"
+#include "remoting/protocol/transport_context.h"
 
 namespace remoting {
 namespace test {
@@ -36,7 +37,7 @@ void FakeConnectionToHost::set_audio_stub(protocol::AudioStub* audio_stub) {
 
 void FakeConnectionToHost::Connect(
     SignalStrategy* signal_strategy,
-    scoped_ptr<protocol::TransportFactory> transport_factory,
+    scoped_refptr<protocol::TransportContext> transport_context,
     scoped_ptr<protocol::Authenticator> authenticator,
     const std::string& host_jid,
     HostEventCallback* event_callback) {