Fix ui::VKEY_HANGUL handler.

chrome/browser/chromeos/input_method/input_method_manager.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.h"
 
 #include <algorithm>
 
 #include <glib.h>
 
@@ skipping 652 matching lines @@
         input_method_ids_to_switch.push_back("mozc-jp");
         break;
       case ui::VKEY_NONCONVERT:  // Muhenkan key on JP106 keyboard
         input_method_ids_to_switch.push_back("xkb:jp::jpn");
         break;
       case ui::VKEY_DBE_SBCSCHAR:  // ZenkakuHankaku key on JP106 keyboard
       case ui::VKEY_DBE_DBCSCHAR:
         input_method_ids_to_switch.push_back("mozc-jp");
         input_method_ids_to_switch.push_back("xkb:jp::jpn");
         break;
-      case ui::VKEY_HANGUL:
-        input_method_ids_to_switch.push_back("mozc-hangul");
-        break;
+      case ui::VKEY_HANGUL:  // Hangul (or right Alt) key on Korean keyboard
       case ui::VKEY_SPACE:  // Shift+Space
         input_method_ids_to_switch.push_back("mozc-hangul");
         input_method_ids_to_switch.push_back("xkb:kr:kr104:kor");
         break;
       default:
         NOTREACHED();
         break;
     }
     if (input_method_ids_to_switch.empty()) {
       LOG(ERROR) << "Unexpected VKEY: " << accelerator.key_code();
@@ skipping 858 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(InputMethodManagerImpl);
 };
 
 // static
 InputMethodManager* InputMethodManager::GetInstance() {
   return InputMethodManagerImpl::GetInstance();
 }
 
 }  // namespace input_method
 }  // namespace chromeos