ESC accelerator and consistent overview mode for Athena homecard

athena/wm/window_manager_impl.h

Index: athena/wm/window_manager_impl.h
diff --git a/athena/wm/window_manager_impl.h b/athena/wm/window_manager_impl.h
index e4d1698213cc085330682d3b186588b13969e5f7..da1c920570614bcfc9446bf613b4f8f0f1e0c7ca 100644
--- a/athena/wm/window_manager_impl.h
+++ b/athena/wm/window_manager_impl.h
@@ -52,10 +52,17 @@ class ATHENA_EXPORT WindowManagerImpl : public WindowManager,
   friend class AthenaContainerLayoutManager;
 
   enum Command {
+    CMD_EXIT_OVERVIEW,
     CMD_TOGGLE_OVERVIEW,
     CMD_TOGGLE_SPLIT_VIEW,
   };
 
+  const AcceleratorData kEscAcceleratorData = {TRIGGER_ON_PRESS,
+                                               ui::VKEY_ESCAPE,
+                                               ui::EF_NONE,
+                                               CMD_EXIT_OVERVIEW,
+                                               AF_NONE};
+
   // Exits overview mode without changing activation.  The caller should
   // ensure that a window is active after exiting overview mode.
   void ExitOverviewNoActivate();