Opps! That's a renderer failing to open font files. At this stage we have lots of bugs so that is probably just something which I'll keep at the back of my mind

Opps! That's a renderer failing to open font files. At this stage we have lots of bugs so that is probably just something which I'll keep at the back of my mind for the future. However, if you're willing to put some work into debugging it, please free feel to file a bug at crbug.com.