[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..8aa0d37afdb615546078ddd0c976d6b67fca6caf 100644
--- a/chrome/browser/chromeos/preferences.cc
+++ b/chrome/browser/chromeos/preferences.cc
@@ -622,6 +622,12 @@ void Preferences::ApplyPreferences(ApplyReason reason,
       input_method::InputMethodManager::Get()
           ->GetImeKeyboard()
           ->SetAutoRepeatEnabled(enabled);
+
+      PrefService* const local_state = g_browser_process->local_state();
+      DictionaryPrefUpdate repeat_enabled_updater(
+          local_state, prefs::kLanguageXkbAutoRepeatEnabled);
+      repeat_enabled_updater->SetBooleanWithoutPathExpansion(
+          user_->GetAccountId().GetUserEmail(), enabled);
     }
   }
   if (reason != REASON_PREF_CHANGED ||
@@ -786,6 +792,16 @@ void Preferences::UpdateAutoRepeatRate() {
   input_method::InputMethodManager::Get()
       ->GetImeKeyboard()
       ->SetAutoRepeatRate(rate);
+
+  PrefService* const local_state = g_browser_process->local_state();
+  DictionaryPrefUpdate repeat_delay_updater(local_state,
+                                            prefs::kLanguageXkbAutoRepeatDelay);
+  DictionaryPrefUpdate repeat_interval_updater(
+      local_state, prefs::kLanguageXkbAutoRepeatInterval);
+  repeat_delay_updater->SetIntegerWithoutPathExpansion(
+      user_->GetAccountId().GetUserEmail(), rate.initial_delay_in_ms);

[Alexander Alekseev, 2017/02/17 02:18:23]

e-mail as storage key is deprecated.
Could you use GetGaiaIdKey() for that?

[xiyuan, 2017/02/17 17:08:15]

Did you mean AccountId::GetAccountIdKey()? If so, do we need to worry about
legacy users (i.e. AccountType::UNKNOWN)?

+  repeat_interval_updater->SetIntegerWithoutPathExpansion(
+      user_->GetAccountId().GetUserEmail(), rate.repeat_interval_in_ms);
 }
 
 void Preferences::OnTouchHudProjectionToggled(bool enabled) {