Trying to activate a window in a workspace other than the current is ignored while a system modal d…

ash/shelf/shelf_layout_manager.h

Index: ash/shelf/shelf_layout_manager.h
diff --git a/ash/shelf/shelf_layout_manager.h b/ash/shelf/shelf_layout_manager.h
index fa16158d70052dd584779ec4b1dde0a7ec086758..f84ca5659799c2d50ac33a3df628fea1396ac5ba 100644
--- a/ash/shelf/shelf_layout_manager.h
+++ b/ash/shelf/shelf_layout_manager.h
@@ -164,6 +164,8 @@ class ASH_EXPORT ShelfLayoutManager :
   // Overriden from aura::client::ActivationChangeObserver:
   virtual void OnWindowActivated(aura::Window* gained_active,
                                  aura::Window* lost_active) OVERRIDE;
+  virtual void OnWindowActivationRequestCompleted(
+      aura::Window* request_active, aura::Window* actual_active) OVERRIDE;
 
   // TODO(harrym|oshima): These templates will be moved to
   // new Shelf class.