ESC accelerator and consistent overview mode for Athena homecard

athena/input/public/accelerator_manager.h

Index: athena/input/public/accelerator_manager.h
diff --git a/athena/input/public/accelerator_manager.h b/athena/input/public/accelerator_manager.h
index b572c50f753d501de7765fa0c0786b3b9cc74296..d169a3c5fd32687db0f6d76d31a185e662a9c51b 100644
--- a/athena/input/public/accelerator_manager.h
+++ b/athena/input/public/accelerator_manager.h
@@ -82,6 +82,11 @@ class ATHENA_EXPORT AcceleratorManager {
                                     size_t num_accelerators,
                                     AcceleratorHandler* handler) = 0;
 
+  virtual void RegisterAccelerator(const AcceleratorData& accelerator_data,
+                                   AcceleratorHandler* handler) = 0;
+  virtual void UnregisterAccelerator(const AcceleratorData& accelerator_data,
+                                     AcceleratorHandler* handler) = 0;
+
   // Enables/Disables accelerators that has a AF_DEBUG flag.
   virtual void SetDebugAcceleratorsEnabled(bool enabled) = 0;
 };