Adding accessibility setting to System options

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 61 matching lines @@
 
   // A variant of SetLanguageConfigStringList. You can pass comma-separated
   // values. Examples of |value|: "", "Control+space,Hiragana"
   void SetLanguageConfigStringListAsCSV(const char* section,
                                         const char* name,
                                         const std::wstring& value);
 
   StringPrefMember timezone_;
   BooleanPrefMember tap_to_click_enabled_;
   BooleanPrefMember vert_edge_scroll_enabled_;
+  BooleanPrefMember accessibility_enabled_;
   IntegerPrefMember speed_factor_;
   IntegerPrefMember sensitivity_;
 
   // Input method preferences.
   StringPrefMember language_hotkey_next_engine_in_menu_;
   StringPrefMember language_hotkey_previous_engine_;
   StringPrefMember language_preload_engines_;
   StringPrefMember language_hangul_keyboard_;
   BooleanPrefMember language_pinyin_boolean_prefs_[kNumPinyinBooleanPrefs];
   IntegerPrefMember language_pinyin_int_prefs_[kNumPinyinIntegerPrefs];
   StringPrefMember language_mozc_multiple_choice_prefs_[
       kNumMozcMultipleChoicePrefs];
 
   DISALLOW_COPY_AND_ASSIGN(Preferences);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_