Resolve #3512774 "Add translation support"

Closes #3512774

link_text_options.module

@@ -67,7 +67,7 @@ function link_text_options_field_widget_single_element_link_default_form_alter(a
   $options = link_text_options_get_allowed_values($context['widget']);
   if (count($options)) {
     if (count($options) === 1) {
-      $element['title']['#default_value'] = $options[0];
+      $element['title']['#default_value'] = t($options[0]);
       $element['title']['#disabled'] = TRUE;
       if (!$element['#required']) {
         // Remove the state that forces the URI to required of title set.
@@ -83,7 +83,7 @@ function link_text_options_field_widget_single_element_link_default_form_alter(a
     }
     else {
       $element['title']['#type'] = 'select';
-      $element['title']['#options'] = array_combine($options, $options);
+      $element['title']['#options'] = array_map('t', array_combine($options, $options));
     }
   }
 }