A11y setting: mono audio UI

chrome/browser/chromeos/preferences.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/preferences.h"
 
 #include <vector>
 
 #include "ash/autoclick/autoclick_controller.h"
 #include "ash/display/display_manager.h"
@@ skipping 74 matching lines @@
   if (ash::Shell::HasInstance())
     ash::Shell::GetInstance()->RemoveShellObserver(this);
 }
 
 // static
 void Preferences::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterBooleanPref(prefs::kOwnerPrimaryMouseButtonRight, false);
   registry->RegisterBooleanPref(prefs::kOwnerTapToClickEnabled, true);
   registry->RegisterBooleanPref(prefs::kAccessibilityVirtualKeyboardEnabled,
                                 false);
+  registry->RegisterBooleanPref(prefs::kAccessibilityMonoAudioEnabled,
+                                false);
   registry->RegisterStringPref(prefs::kLogoutStartedLast, std::string());
   registry->RegisterBooleanPref(prefs::kResolveDeviceTimezoneByGeolocation,
                                 true);
 }
 
 // static
 void Preferences::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
   std::string hardware_keyboard_id;
   // TODO(yusukes): Remove the runtime hack.
@@ skipping 65 matching lines @@
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterIntegerPref(
       prefs::kAccessibilityAutoclickDelayMs,
       ash::AutoclickController::kDefaultAutoclickDelayMs,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterBooleanPref(
       prefs::kAccessibilityVirtualKeyboardEnabled,
       false,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterBooleanPref(
+      prefs::kAccessibilityMonoAudioEnabled,
+      false,
+      user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
+  registry->RegisterBooleanPref(
       prefs::kAccessibilityCaretHighlightEnabled, false,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterBooleanPref(
       prefs::kAccessibilityCursorHighlightEnabled, false,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterBooleanPref(
       prefs::kAccessibilityFocusHighlightEnabled, false,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterBooleanPref(
       prefs::kAccessibilitySelectToSpeakEnabled, false,
@@ skipping 555 matching lines @@
   touch_hud_projection_enabled_.SetValue(enabled);
 }
 
 void Preferences::ActiveUserChanged(const user_manager::User* active_user) {
   if (active_user != user_)
     return;
   ApplyPreferences(REASON_ACTIVE_USER_CHANGED, "");
 }
 
 }  // namespace chromeos