https detection on Acquia

On our Acquia environment, a proxy is used, so the https detection is failing.

$base = 'http://fonts.googleapis.com/css?family=';

if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {
$base = 'https://fonts.googleapis.com/css?family=';
}

Acquia (and others behind proxies) uses $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https'

We have manually overridden this detection for now, but it would be great if the module could check this as well.

Perhaps:

if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') {
$base = 'https://fonts.googleapis.com/css?family=';
}