Deprecating high-conflict accelerators

ash/system/system_notifier.cc

Index: ash/system/system_notifier.cc
diff --git a/ash/system/system_notifier.cc b/ash/system/system_notifier.cc
index c762930ed7a342c5752ebb675d9ff35f750f230b..b6aa1668b7d6fcd47acd541d0c69109d080342ca 100644
--- a/ash/system/system_notifier.cc
+++ b/ash/system/system_notifier.cc
@@ -22,6 +22,7 @@ namespace {
 // which can appear regardless of the situation, such like login screen or lock
 // screen.
 const char* kAlwaysShownSystemNotifierIds[] = {
+    kNotifierAcceleratorController,
     kNotifierBattery,
     kNotifierDisplay,
     kNotifierDisplayError,
@@ -69,6 +70,7 @@ bool MatchSystemNotifierId(const message_center::NotifierId& notifier_id,
 
 }  // namespace
 
+const char kNotifierAcceleratorController[] = "ash.accelerator-controller";
 const char kNotifierBattery[] = "ash.battery";
 const char kNotifierBluetooth[] = "ash.bluetooth";
 const char kNotifierDisplay[] = "ash.display";