Issue #1872316 by Dave Reid, whthat, westie, freality, pmchristensen, FeyP:...

        $settings['bundles'] = array_values($bundles);

      }

    }

    // Make sure that if using a view for the entity selection only

    // the bundles which are returned by the view are available to create.

    if (!empty($field['settings']['handler_settings']['view'])) {

      $view_name = $field['settings']['handler_settings']['view']['view_name'];

      $display_id = $field['settings']['handler_settings']['view']['display_name'];

      $view = views_get_view($view_name);

      $base_table = $view->base_table;

      $bundle_field = '';

      $info = entity_get_info();

      if (is_array($info)) {

        foreach ($info as $type => $value) {

          if ($value['base table'] == $base_table) {

            $bundle_field = $value['entity keys']['bundle'];

            break;

          }

        }

      }

      if (!empty($bundle_field)) {

        $filter = $view->get_item($display_id, 'filter', $bundle_field);

        if (is_array($filter) && isset($filter['value'])) {

          $settings['bundles'] = $filter['value'];

        } elseif (is_array($field['settings']['handler_settings']['view']['args'])) {

          $arguments = $view->get_items('argument');

          if (is_array($arguments) && isset($arguments[$bundle_field])) {

            $i = 0;

            foreach (array_keys($arguments) as $argument) {

              if ($argument == $bundle_field) {

                if (isset($field['settings']['handler_settings']['view']['args'][$i])) {

                  $args = explode('+', $field['settings']['handler_settings']['view']['args'][$i]);

                  $settings['bundles'] = array();

                  foreach ($args as $arg) {

                    $settings['bundles'][$arg] = $arg;

                  }

                }

                break;

              }

              $i++;

            }

          }

        }

      }

    }

  }

  elseif ($field['type'] == 'commerce_line_item_reference') {

    $settings['entity_type'] = 'commerce_line_item';