Add missing Pass() calls for passing scoped_ptrs on Windows.

remoting/host/desktop_session_win.cc

Index: remoting/host/desktop_session_win.cc
diff --git a/remoting/host/desktop_session_win.cc b/remoting/host/desktop_session_win.cc
index 676a3d92d3a8673fc17ab7769b33de1b17a5183f..bb970eb2bee2e9aa7651f57c9ce161e7d64a7390 100644
--- a/remoting/host/desktop_session_win.cc
+++ b/remoting/host/desktop_session_win.cc
@@ -552,7 +552,8 @@ void DesktopSessionWin::OnSessionAttached(uint32 session_id) {
   }
 
   // Create a launcher for the desktop process, using the per-session delegate.
-  launcher_.reset(new WorkerProcessLauncher(delegate.Pass(), this));
+  launcher_.reset(new WorkerProcessLauncher(
+      delegate.PassAs<WorkerProcessLauncher::Delegate>(), this));
 }
 
 void DesktopSessionWin::OnSessionDetached() {