Remove IME related configuration preferences in Chrome OS.

chrome/browser/chromeos/preferences.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
 #define CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 106 matching lines @@
   FilePathPrefMember save_file_default_directory_;
   BooleanPrefMember touch_hud_projection_enabled_;
 
   // Input method preferences.
   StringPrefMember preferred_languages_;
   StringPrefMember preload_engines_;
   StringPrefMember current_input_method_;
   StringPrefMember previous_input_method_;
   StringPrefMember enabled_extension_imes_;
 
-  BooleanPrefMember chewing_boolean_prefs_[
-      language_prefs::kNumChewingBooleanPrefs];
-  StringPrefMember chewing_multiple_choice_prefs_[
-      language_prefs::kNumChewingMultipleChoicePrefs];
-  IntegerPrefMember chewing_hsu_sel_key_type_;
-  IntegerPrefMember chewing_integer_prefs_[
-      language_prefs::kNumChewingIntegerPrefs];
-  StringPrefMember hangul_keyboard_;
-  StringPrefMember hangul_hanja_binding_keys_;
-  StringPrefMember hangul_hanja_keys_;
-  BooleanPrefMember pinyin_boolean_prefs_[
-      language_prefs::kNumPinyinBooleanPrefs];
-  IntegerPrefMember pinyin_int_prefs_[
-      language_prefs::kNumPinyinIntegerPrefs];
-  IntegerPrefMember pinyin_double_pinyin_schema_;
-  BooleanPrefMember mozc_boolean_prefs_[
-      language_prefs::kNumMozcBooleanPrefs];
-  StringPrefMember mozc_multiple_choice_prefs_[
-      language_prefs::kNumMozcMultipleChoicePrefs];
-  IntegerPrefMember mozc_integer_prefs_[
-      language_prefs::kNumMozcIntegerPrefs];
   BooleanPrefMember xkb_auto_repeat_enabled_;
   IntegerPrefMember xkb_auto_repeat_delay_pref_;
   IntegerPrefMember xkb_auto_repeat_interval_pref_;
 
   DISALLOW_COPY_AND_ASSIGN(Preferences);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_