[Merge to M55] Fix regression in handling toggle mirror mode

ash/accelerators/accelerator_controller_delegate_aura.cc

Index: ash/accelerators/accelerator_controller_delegate_aura.cc
diff --git a/ash/accelerators/accelerator_controller_delegate_aura.cc b/ash/accelerators/accelerator_controller_delegate_aura.cc
index aa2bb2b270edd97e47f586c61cd2d818c4bd4668..ac9dda9a57782f4bfa62b12559f30ed8a81dfb28 100644
--- a/ash/accelerators/accelerator_controller_delegate_aura.cc
+++ b/ash/accelerators/accelerator_controller_delegate_aura.cc
@@ -359,7 +359,6 @@ bool AcceleratorControllerDelegateAura::CanPerformAction(
 #if defined(OS_CHROMEOS)
     case DEV_ADD_REMOVE_DISPLAY:
     case DEV_TOGGLE_UNIFIED_DESKTOP:
-    case TOGGLE_MIRROR_MODE:
       return debug::DeveloperAcceleratorsEnabled();
 
     case SWAP_PRIMARY_DISPLAY:
@@ -374,6 +373,7 @@ bool AcceleratorControllerDelegateAura::CanPerformAction(
     case LOCK_RELEASED:
     case POWER_PRESSED:
     case POWER_RELEASED:
+    case TOGGLE_MIRROR_MODE:
     case TOUCH_HUD_PROJECTION_TOGGLE:
       return true;
 #endif