Add login screen locale and input method device policies

chrome/browser/ui/ash/system_tray_delegate_chromeos.cc

Index: chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
diff --git a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
index e80cd4d85b3dbe8b856c0dc98b3b2da7037f3148..722d71a8d2a985bd783f28a3171dd6206149a191 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
+++ b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
@@ -478,6 +478,13 @@ void SystemTrayDelegateChromeOS::GetCurrentIMEProperties(
   }
 }
 
+base::string16 SystemTrayDelegateChromeOS::GetIMEManagedMessage() {
+  auto ime_state = input_method::InputMethodManager::Get()->GetActiveIMEState();
+  return ime_state->GetAllowedInputMethods().empty()
+             ? base::string16()
+             : l10n_util::GetStringUTF16(IDS_OPTIONS_CONTROLLED_SETTING_POLICY);
+}
+
 void SystemTrayDelegateChromeOS::SwitchIME(const std::string& ime_id) {
   input_method::InputMethodManager::Get()
       ->GetActiveIMEState()