[Chromoting] Add SessionPlugin in JingleSession

remoting/protocol/fake_session.cc

Index: remoting/protocol/fake_session.cc
diff --git a/remoting/protocol/fake_session.cc b/remoting/protocol/fake_session.cc
index f4d5cd158f17a0e24c7ef26cff050ff50a9c367d..18c16ca31d532694e820151b9b9a848efc277753 100644
--- a/remoting/protocol/fake_session.cc
+++ b/remoting/protocol/fake_session.cc
@@ -5,8 +5,10 @@
 #include "remoting/protocol/fake_session.h"
 
 #include "base/location.h"
+#include "base/logging.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "remoting/protocol/fake_authenticator.h"
+#include "remoting/protocol/session_plugin.h"
 #include "third_party/webrtc/libjingle/xmllite/xmlelement.h"
 
 namespace remoting {
@@ -102,5 +104,10 @@ void FakeSession::ProcessTransportInfo(
   transport_->ProcessTransportInfo(transport_info.get());
 }
 
+// TODO(zijiehe): Supports SessionPlugin in FakeSession.
+void FakeSession::AddPlugin(SessionPlugin* plugin) {
+  NOTIMPLEMENTED();
+}
+
 }  // namespace protocol
 }  // namespace remoting