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 567cb996f4b5fc2eec32ee280af2cf301788e446..c1e5ef03c2c38e275e32ab2f99dec26685c1ca8c 100644
--- a/chrome/browser/chromeos/events/event_rewriter.cc
+++ b/chrome/browser/chromeos/events/event_rewriter.cc
@@ -42,9 +42,6 @@ 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;
@@ -128,8 +125,7 @@ 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