Chrome SSL and insecure content

[graphicz]

Weirdly Chrome has started labelling Google fonts as insecure content having previously been quite happy. Firefox remains happy.

<link href='http://fonts.googleapis.com/css?family=Cutive' rel='stylesheet' type='text/css'>
<link href='http://fonts.googleapis.com/css?family=Nobile:400,700' rel='stylesheet' type='text/css'>
<link href='http://fonts.googleapis.com/css?family=Open+Sans:400,600,700' rel='stylesheet' type='text/css'>

Changed on Checkout pages to:

<link href='https://fonts.googleapis.com/css?family=Cutive' rel='stylesheet' type='text/css'>
<link href='https://fonts.googleapis.com/css?family=Nobile:400,700' rel='stylesheet' type='text/css'>
<link href='https://fonts.googleapis.com/css?family=Open+Sans:400,600,700' rel='stylesheet' type='text/css'>

Thanks