[Chrome OS] Expose keyboard auto repeat delay/interval to login screen.

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 df889bd380f703a720c3aab68cbae2359d63262e..d9e1b5e98385897e771cf1a2a1a62c50ca4956ea 100644
--- a/chrome/browser/chromeos/preferences.cc
+++ b/chrome/browser/chromeos/preferences.cc
@@ -622,6 +622,9 @@ void Preferences::ApplyPreferences(ApplyReason reason,
       input_method::InputMethodManager::Get()
           ->GetImeKeyboard()
           ->SetAutoRepeatEnabled(enabled);
+
+      user_manager::known_user::SetBooleanPref(
+          user_->GetAccountId(), prefs::kLanguageXkbAutoRepeatEnabled, enabled);
     }
   }
   if (reason != REASON_PREF_CHANGED ||
@@ -786,6 +789,13 @@ void Preferences::UpdateAutoRepeatRate() {
   input_method::InputMethodManager::Get()
       ->GetImeKeyboard()
       ->SetAutoRepeatRate(rate);
+
+  user_manager::known_user::SetIntegerPref(user_->GetAccountId(),
+                                           prefs::kLanguageXkbAutoRepeatDelay,
+                                           rate.initial_delay_in_ms);
+  user_manager::known_user::SetIntegerPref(
+      user_->GetAccountId(), prefs::kLanguageXkbAutoRepeatInterval,
+      rate.repeat_interval_in_ms);
 }
 
 void Preferences::OnTouchHudProjectionToggled(bool enabled) {