materio-base-d7/sites/all/modules/contrib/admin/workflow/workflow_views/workflow_views.module

<?php

/**
 * @file
 * Provide views integration for workflows.
 * Why it's own module? Some sites have views some don't,
 * all prefer a lower code footprint and better performance.
 */


/**
 * Implements hook_permission().
 */
function workflow_views_permission() {
  return array(
    'access workflow summary views' => array(
      'title' => t('Access workflow summary views'),
      'description' => t('Access workflow summary views.'),
    ),
  );
}

/**
 * Implements hook_views_api().
 */
function workflow_views_views_api() {
  return array(
    'api' => 2,
    'path' => drupal_get_path('module', 'workflow_views') . '/includes',
  );
}