Pass the desktop session ID to the remoting network process.

remoting/host/ipc_desktop_environment_unittest.cc

Index: remoting/host/ipc_desktop_environment_unittest.cc
diff --git a/remoting/host/ipc_desktop_environment_unittest.cc b/remoting/host/ipc_desktop_environment_unittest.cc
index 3babf7fb1e20a62e7560ff0f9869889aa1d4006a..638761cac264af7473d3ea78f3889501dc9ec13e 100644
--- a/remoting/host/ipc_desktop_environment_unittest.cc
+++ b/remoting/host/ipc_desktop_environment_unittest.cc
@@ -451,7 +451,7 @@ void IpcDesktopEnvironmentTest::OnDesktopAttached(
     const IPC::ChannelHandle& desktop_pipe) {
   // Instruct DesktopSessionProxy to connect to the network-to-desktop pipe.
   desktop_environment_factory_->OnDesktopSessionAgentAttached(
-      terminal_id_, desktop_pipe);
+      terminal_id_, /*session_id=*/0, desktop_pipe);
 }
 
 void IpcDesktopEnvironmentTest::RunMainLoopUntilDone() {