Update GnubbyAuthHandler to use the current session ID

remoting/host/security_key/gnubby_extension.cc

Index: remoting/host/security_key/gnubby_extension.cc
diff --git a/remoting/host/security_key/gnubby_extension.cc b/remoting/host/security_key/gnubby_extension.cc
index 469baa1c60239e83334fa6195a209c40f8dddd9f..885ed3045d4f24b52c67547dbde152b305d0627e 100644
--- a/remoting/host/security_key/gnubby_extension.cc
+++ b/remoting/host/security_key/gnubby_extension.cc
@@ -24,13 +24,12 @@ std::string GnubbyExtension::capability() const {
 }
 
 std::unique_ptr<HostExtensionSession> GnubbyExtension::CreateExtensionSession(
-    ClientSessionDetails* client_session_details,
+    ClientSessionDetails* details,
     protocol::ClientStub* client_stub) {
   // TODO(joedow): Update this mechanism to allow for multiple sessions.  The
   //               extension will only send messages through the initial
-  //               |client_stub| with the current design.
-  // TODO(joedow): Update GnubbyExtensionSession for |client_session_details|.
-  return base::WrapUnique(new GnubbyExtensionSession(client_stub));
+  //               |client_stub| and |details| with the current design.
+  return base::WrapUnique(new GnubbyExtensionSession(details, client_stub));
 }
 
 }  // namespace remoting