Update StickyKeys overlay to show or hide AltGr depending on the

chrome/browser/chromeos/events/event_rewriter.cc

Index: chrome/browser/chromeos/events/event_rewriter.cc
diff --git a/chrome/browser/chromeos/events/event_rewriter.cc b/chrome/browser/chromeos/events/event_rewriter.cc
index 3c0548a90e750b763dd02e7e576e3a33a1ac958b..25794d9c9c8856843dffec24bda7277d2aa55522 100644
--- a/chrome/browser/chromeos/events/event_rewriter.cc
+++ b/chrome/browser/chromeos/events/event_rewriter.cc
@@ -40,9 +40,6 @@ namespace {
 
 const int kBadDeviceId = -1;
 
-const char kNeo2LayoutId[] = "xkb:de:neo:ger";
-const char kCaMultixLayoutId[] = "xkb:ca:multix:fra";
-
 // A key code and a flag we should use when a key is remapped to |remap_to|.
 const struct ModifierRemapping {
   int remap_to;
@@ -126,8 +123,7 @@ bool IsMod3UsedByCurrentInputMethod() {
   // TODO(yusukes): Remove the restriction.
   chromeos::input_method::InputMethodManager* manager =
       chromeos::input_method::InputMethodManager::Get();
-  return manager->GetCurrentInputMethod().id() == kNeo2LayoutId ||
-      manager->GetCurrentInputMethod().id() == kCaMultixLayoutId;
+  return manager->IsMod3UsedByCurrentInputMethod();
 }
 
 }  // namespace