+ $is_admin = is_admin();
+ /**
+ * Filter whether Google Chrome Frame should be used, if available.
+ *
+ * @since 3.2.0
+ *
+ * @param bool $is_admin Whether to use the Google Chrome Frame. Default is the value of is_admin().
+ */
+ if ( $is_chrome = apply_filters( 'use_google_chrome_frame', $is_admin ) )