We should turn off margin tiles on iOS because they use a lot of memory.
Created attachment 225497 [details]
Comment on attachment 225497 [details]
View in context: https://bugs.webkit.org/attachment.cgi?id=225497&action=review
> + // We don't support margin tiles on iOS because they use too much memory. We might support them
> + // in the future if we can find a way to make them more efficient.
A bit TMI I think. You could reference a radar here.
Thanks, Simon! http://trac.webkit.org/changeset/164891