WP_Http::normalize_cookies( array $cookies )

	public static function normalize_cookies( $cookies ) {
		$cookie_jar = new Requests_Cookie_Jar();

		foreach ( $cookies as $name => $value ) {
			if ( $value instanceof WP_Http_Cookie ) {
				$cookie_jar[ $value->name ] = new Requests_Cookie( $value->name, $value->value, $value->get_attributes() );
			} elseif ( is_scalar( $value ) ) {
				$cookie_jar[ $name ] = new Requests_Cookie( $name, $value );
			}
		}

		return $cookie_jar;
	}