Add permission for viewing and editing the blog

I added a permission for viewing and editing the blog info, so blog info is available in a user's profile based on their role. The following are the functions I added / modified (patch is attached as well):

/**
 * Implementation of hook_perm()
 */
function profile_blog_info_perm() {
	return array('access blog account');
}


function profile_blog_info_categories() {
  $data = array();
  $category = variable_get('profile_blog_info_profile_category', '');
  if (!empty($category)) {
    $data[] = array(
      'name' => $category,
      'title' => $category,
      'weight' => 3,
      'access callback' => 'profile_blog_info_category_access',
      'access arguments' => array(1, 'access blog account')
    );
  }
  return $data;
}


/**
 * Menu item access callback - check if a user has access to a profile category.
 */
function profile_blog_info_category_access($account, $category) {
  if (user_access('access blog account') && $account->uid > 0) {
    return TRUE;
  }
  else {
    return user_edit_access($account) && db_result(db_query("SELECT COUNT(*) FROM {profile_fields} WHERE category = '%s' AND visibility <> %d", $category, PROFILE_HIDDEN));
  }
}

function profile_blog_info_view_profile(&$user) {

	if ( user_access( 'access blog account') )
	{
  $category = variable_get('profile_blog_info_profile_category', '');
  if (!empty($user->profile_blog_info_blog_url)&& !empty($user->profile_blog_info_title)) {
    $user->content['summary']['profile_blog_info_title'] = array(
      '#type' => 'user_profile_item',
      '#value' => l($user->profile_blog_info_title, $user->profile_blog_info_blog_url),
    );
  }
  }
}