Add login screen locale and input method device policies

ui/base/ime/chromeos/input_method_manager.h

Index: ui/base/ime/chromeos/input_method_manager.h
diff --git a/ui/base/ime/chromeos/input_method_manager.h b/ui/base/ime/chromeos/input_method_manager.h
index 69531425da3f47b1443a1431e8544a02ada22f47..775d8fa65dceee73ae7115e83ca4420ddab2e6d9 100644
--- a/ui/base/ime/chromeos/input_method_manager.h
+++ b/ui/base/ime/chromeos/input_method_manager.h
@@ -213,6 +213,19 @@ class UI_BASE_IME_EXPORT InputMethodManager {
     virtual bool ReplaceEnabledInputMethods(
         const std::vector<std::string>& new_active_input_method_ids) = 0;
 
+    // Sets the currently allowed keyboard layout input methods (e.g. due to
+    // policy). Invalid input method ids are ignored. Passing an empty vector
+    // means that all keyboard layout input methods are allowed, which is the
+    // default.
+    // When allowed input methods are set, these are also automatically enabled.
+    virtual bool SetAllowedKeyboardLayoutInputMethods(
+        const std::vector<std::string>& allowed_input_method_ids) = 0;
+
+    // Returns the currently allowed keyboard layout input methods, as set by
+    // SetAllowedKeyboardLayoutInputMethodIds.
+    virtual const std::vector<std::string>&
+    GetAllowedKeyboardLayoutInputMethods() = 0;
+
    protected:
     friend base::RefCounted<InputMethodManager::State>;