Form constructor for the confirmation form for comment deletion.
Drupal\comment\Comment $comment: The comment that is about to be deleted.
comment_confirm_delete_submit()
function comment_confirm_delete($form, &$form_state, Comment $comment) {
$form_state['comment'] = $comment;
// Always provide entity id in the same form key as in the entity edit form.
$form['cid'] = array(
'#type' => 'value',
'#value' => $comment->cid,
);
return confirm_form($form, t('Are you sure you want to delete the comment %title?', array(
'%title' => $comment->subject,
)), 'node/' . $comment->nid, t('Any replies to this comment will be lost. This action cannot be undone.'), t('Delete'), t('Cancel'), 'comment_confirm_delete');
}