Remove rerely used configuration items for the Japanese IME to simplify the dialog.

chrome/browser/chromeos/language_preferences.h

 // Copyright (c) 2011 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_LANGUAGE_PREFERENCES_H_
 #define CHROME_BROWSER_CHROMEOS_LANGUAGE_PREFERENCES_H_
 #pragma once
 
 #include <stddef.h>  // For size_t
 
@@ skipping 117 matching lines @@
 extern const PinyinIntegerPref kPinyinIntegerPrefs[];
 const size_t kNumPinyinIntegerPrefs = 1;
 
 // ---------------------------------------------------------------------------
 // For Japanese input method (ibus-mozc)
 // ---------------------------------------------------------------------------
 extern const char kMozcSectionName[];
 
 extern const LanguageBooleanPrefs kMozcBooleanPrefs[];
 // See comments at kNumChewingBooleanPrefs for why we hard-code this here.
-const size_t kNumMozcBooleanPrefs = 8;
+const size_t kNumMozcBooleanPrefs = 4;
 
 extern const LanguageMultipleChoicePreference<const char*>
     kMozcMultipleChoicePrefs[];
 // See comments at kNumChewingBooleanPrefs for why we hard-code this here.
 const size_t kNumMozcMultipleChoicePrefs = 8;
 
 extern const LanguageIntegerRangePreference kMozcIntegerPrefs[];
 // See comments at kNumChewingBooleanPrefs for why we hard-code this here.
 const size_t kNumMozcIntegerPrefs = 1;
 
 // ---------------------------------------------------------------------------
 // For keyboard stuff
 // ---------------------------------------------------------------------------
 // A delay between the first and the start of the rest.
 extern const int kXkbAutoRepeatDelayInMs;
 // An interval between the repeated keys.
 extern const int kXkbAutoRepeatIntervalInMs;
 
 // A string Chrome preference (Local State) of the preferred keyboard layout in
 // the login screen.
 extern const char kPreferredKeyboardLayout[];
 
 }  // language_prefs
 }  // chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LANGUAGE_PREFERENCES_H_