Update StickyKeys overlay to show or hide AltGr depending on the

chromeos/ime/input_method_manager.h

Index: chromeos/ime/input_method_manager.h
diff --git a/chromeos/ime/input_method_manager.h b/chromeos/ime/input_method_manager.h
index e3447703006190e6af1a81ab7e4b90eda55dc868..dbbed38a95cb2b1965d2877677e810aed75a8c78 100644
--- a/chromeos/ime/input_method_manager.h
+++ b/chromeos/ime/input_method_manager.h
@@ -157,6 +157,10 @@ class CHROMEOS_EXPORT InputMethodManager {
   // Gets the descriptor of the input method which is currently selected.
   virtual InputMethodDescriptor GetCurrentInputMethod() const = 0;
 
+  virtual bool IsISOLevel5ShiftUsedByCurrentInputMethod() const = 0;
+
+  virtual bool IsAltGrUsedByCurrentInputMethod() const = 0;
+
   // Returns an X keyboard object which could be used to change the current XKB
   // layout, change the caps lock status, and set the auto repeat rate/interval.
   virtual XKeyboard* GetXKeyboard() = 0;