Allows invoking debugging print commands for any builds.

ash/accelerators/accelerator_controller.cc

Index: ash/accelerators/accelerator_controller.cc
diff --git a/ash/accelerators/accelerator_controller.cc b/ash/accelerators/accelerator_controller.cc
index b44369162394fb30f4ef445f233d9f8c05b025d9..2a75415bea4b7d6c9bc61426614626c8e28046a4 100644
--- a/ash/accelerators/accelerator_controller.cc
+++ b/ash/accelerators/accelerator_controller.cc
@@ -920,14 +920,12 @@ bool AcceleratorController::PerformAction(int action,
       Shell::GetInstance()->power_button_controller()->
           OnLockButtonEvent(action == LOCK_PRESSED, base::TimeTicks());
       return true;
-#if !defined(NDEBUG)
     case PRINT_LAYER_HIERARCHY:
       return HandlePrintLayerHierarchy();
     case PRINT_VIEW_HIERARCHY:
       return HandlePrintViewHierarchy();
     case PRINT_WINDOW_HIERARCHY:
       return HandlePrintWindowHierarchy();
-#endif
     default:
       NOTREACHED() << "Unhandled action " << action;
   }