Add login screen locale and input method device policies

ui/base/ime/chromeos/mock_input_method_manager.cc

Index: ui/base/ime/chromeos/mock_input_method_manager.cc
diff --git a/ui/base/ime/chromeos/mock_input_method_manager.cc b/ui/base/ime/chromeos/mock_input_method_manager.cc
index 0e4c6230686fe0940602e0a911f653ddf9a75a2d..dd578f665076bdfa71dcaf05e8081c6eb862d122 100644
--- a/ui/base/ime/chromeos/mock_input_method_manager.cc
+++ b/ui/base/ime/chromeos/mock_input_method_manager.cc
@@ -92,6 +92,17 @@ bool MockInputMethodManager::State::ReplaceEnabledInputMethods(
   return true;
 }
 
+bool MockInputMethodManager::State::SetAllowedKeyboardLayoutInputMethods(
+    const std::vector<std::string>& new_allowed_input_method_ids) {
+  allowed_keyboard_layout_input_method_ids = new_allowed_input_method_ids;
+  return true;
+}
+
+const std::vector<std::string>&
+MockInputMethodManager::State::GetAllowedKeyboardLayoutInputMethods() {
+  return allowed_keyboard_layout_input_method_ids;
+}
+
 MockInputMethodManager::State::~State() {}
 
 MockInputMethodManager::MockInputMethodManager() {}