Shutdown cleanup

mojo/services/view_manager/root_view_manager.h

Index: mojo/services/view_manager/root_view_manager.h
diff --git a/mojo/services/view_manager/root_view_manager.h b/mojo/services/view_manager/root_view_manager.h
index 8eb3eb5c0433ef6eb6047c534fe56554db12f016..5215de911114156fb82f4694b29c22a9d4fc14b8 100644
--- a/mojo/services/view_manager/root_view_manager.h
+++ b/mojo/services/view_manager/root_view_manager.h
@@ -9,6 +9,7 @@
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
+#include "mojo/public/cpp/bindings/callback.h"
 #include "mojo/public/cpp/gles2/gles2.h"
 #include "mojo/services/view_manager/view_manager_export.h"
 
@@ -39,7 +40,8 @@ class MOJO_VIEW_MANAGER_EXPORT RootViewManager {
  public:
   RootViewManager(ApplicationConnection* app_connection,
                   RootNodeManager* root_node,
-                  RootViewManagerDelegate* delegate);
+                  RootViewManagerDelegate* delegate,
+                  const Callback<void()>& native_viewport_closed_callback);
   virtual ~RootViewManager();
 
   // See description above field for details.