Turn back spoken feedback setting into a system-wide (non-per-user) preference

chrome/browser/chromeos/preferences.cc

Index: chrome/browser/chromeos/preferences.cc
diff --git a/chrome/browser/chromeos/preferences.cc b/chrome/browser/chromeos/preferences.cc
index df8282b8d5c215d2dd116ada1abbe6ecdf64b8a7..0a05f4d645cf455339333cb5abd4abe5e5b7bf40 100644
--- a/chrome/browser/chromeos/preferences.cc
+++ b/chrome/browser/chromeos/preferences.cc
@@ -81,6 +81,7 @@ void Preferences::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterBooleanPref(prefs::kOwnerPrimaryMouseButtonRight, false);
   registry->RegisterBooleanPref(prefs::kOwnerTapToClickEnabled, true);
   registry->RegisterBooleanPref(prefs::kVirtualKeyboardEnabled, false);
+  registry->RegisterBooleanPref(prefs::kSpokenFeedbackEnabled, false);
 }
 
 // static
@@ -142,10 +143,6 @@ void Preferences::RegisterProfilePrefs(
       false,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterBooleanPref(
-      prefs::kSpokenFeedbackEnabled,
-      false,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-  registry->RegisterBooleanPref(
       prefs::kHighContrastEnabled,
       false,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
@@ -321,8 +318,6 @@ void Preferences::InitUserPrefs(PrefServiceSyncable* prefs) {
   three_finger_click_enabled_.Init(prefs::kEnableTouchpadThreeFingerClick,
       prefs, callback);
   natural_scroll_.Init(prefs::kNaturalScroll, prefs, callback);
-  a11y_spoken_feedback_enabled_.Init(prefs::kSpokenFeedbackEnabled,
-                                     prefs, callback);
   a11y_high_contrast_enabled_.Init(prefs::kHighContrastEnabled,
                                    prefs, callback);
   a11y_screen_magnifier_enabled_.Init(prefs::kScreenMagnifierEnabled,