Update StickyKeys overlay to show or hide AltGr depending on the

chrome/browser/chromeos/input_method/input_method_manager_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/input_method/input_method_manager_impl.h"
 
 #include <algorithm>  // std::find
 
 #include "ash/ime/input_method_menu_item.h"
 #include "ash/ime/input_method_menu_manager.h"
@@ skipping 697 matching lines @@
   ChangeInputMethodInternal(*iter, true);
 }
 
 InputMethodDescriptor InputMethodManagerImpl::GetCurrentInputMethod() const {
   if (current_input_method_.id().empty())
     return InputMethodUtil::GetFallbackInputMethodDescriptor();
 
   return current_input_method_;
 }
 
+bool InputMethodManagerImpl::IsISOLevel5ShiftUsedByCurrentInputMethod() const {
+  return xkeyboard_->IsISOLevel5ShiftAvailable();
+}
+
+bool InputMethodManagerImpl::IsAltGrUsedByCurrentInputMethod() const {
+  return xkeyboard_->IsAltGrAvailable();
+}
+
 XKeyboard* InputMethodManagerImpl::GetXKeyboard() {
   return xkeyboard_.get();
 }
 
 InputMethodUtil* InputMethodManagerImpl::GetInputMethodUtil() {
   return &util_;
 }
 
 ComponentExtensionIMEManager*
     InputMethodManagerImpl::GetComponentExtensionIMEManager() {
@@ skipping 113 matching lines @@
   if (candidate_window_controller_.get())
     return;
 
   candidate_window_controller_.reset(
       CandidateWindowController::CreateCandidateWindowController());
   candidate_window_controller_->AddObserver(this);
 }
 
 }  // namespace input_method
 }  // namespace chromeos