ibus-hangul: Use Ctrl+Alt+F9 as a Hanja hot-key instead of F9.

chrome/browser/chromeos/preferences.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
 #define CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 72 matching lines @@
   // Input method preferences.
   StringPrefMember language_hotkey_next_engine_in_menu_;
   StringPrefMember language_hotkey_previous_engine_;
   StringPrefMember language_preload_engines_;
   BooleanPrefMember language_chewing_boolean_prefs_[kNumChewingBooleanPrefs];
   StringPrefMember language_chewing_multiple_choice_prefs_[
       kNumChewingMultipleChoicePrefs];
   IntegerPrefMember language_chewing_hsu_sel_key_type_;
   IntegerPrefMember language_chewing_integer_prefs_[kNumChewingIntegerPrefs];
   StringPrefMember language_hangul_keyboard_;
+  StringPrefMember language_hangul_hanja_keys_;
   BooleanPrefMember language_pinyin_boolean_prefs_[kNumPinyinBooleanPrefs];
   IntegerPrefMember language_pinyin_int_prefs_[kNumPinyinIntegerPrefs];
   IntegerPrefMember language_pinyin_double_pinyin_schema_;
   BooleanPrefMember language_mozc_boolean_prefs_[kNumMozcBooleanPrefs];
   StringPrefMember language_mozc_multiple_choice_prefs_[
       kNumMozcMultipleChoicePrefs];
   IntegerPrefMember language_mozc_integer_prefs_[kNumMozcIntegerPrefs];
 
   DISALLOW_COPY_AND_ASSIGN(Preferences);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_