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..b9bbb59fc50ad50943c3e87ea8d658414cf4fd82 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
+++ b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
@@ -478,6 +478,17 @@ void SystemTrayDelegateChromeOS::GetCurrentIMEProperties(
   }
 }
 
+base::string16 SystemTrayDelegateChromeOS::GetIMEManagedMessage() {
+  input_method::InputMethodManager* manager =
+      input_method::InputMethodManager::Get();
+  if (manager->GetActiveIMEState()
+          ->GetAllowedKeyboardLayoutInputMethods()
+          .empty())
+    return base::string16();
+  else
+    return l10n_util::GetStringUTF16(IDS_OPTIONS_CONTROLLED_SETTING_POLICY);

[Peter Kasting, 2017/01/25 22:09:30]

Nit: Shorter, and avoids else after return:

  auto ime_state = input_method::InputMethodManager::Get()->GetActiveIMEState();
  return ime_state->GetAllowedKeyboardLayoutInputMethods().empty()
             ? base::string16()
             : l10n_util::GetStringUTF16(IDS_OPTIONS_CONTROLLED_SETTING_POLICY);

[pmarko, 2017/01/26 12:32:58]

Thanks, done.

+}
+
 void SystemTrayDelegateChromeOS::SwitchIME(const std::string& ime_id) {
   input_method::InputMethodManager::Get()
       ->GetActiveIMEState()