1 files changed, 2 insertions, 0 deletions
diff --git a/ui/aura_shell/shell.h b/ui/aura_shell/shell.h
index 80f5060..6006340 100644
--- a/ui/aura_shell/shell.h
+++ b/ui/aura_shell/shell.h
@@ -37,6 +37,7 @@ class AppList;
 class DragDropController;
 class ShadowController;
 class ShellAcceleratorFilter;
+class StackingController;
 class WorkspaceController;
 }
 
@@ -113,6 +114,7 @@ class AURA_SHELL_EXPORT Shell {
 
   scoped_ptr<internal::AppList> app_list_;
 
+  scoped_ptr<internal::StackingController> stacking_controller_;
   scoped_ptr<internal::ActivationController> activation_controller_;
   scoped_ptr<internal::DragDropController> drag_drop_controller_;
   scoped_ptr<internal::WorkspaceController> workspace_controller_;