WebKit2: Add API for getting snapshots.
Created attachment 77522 [details] Patch Some known deficiencies with this patch are that you can't pass a WKImageRef via post message if it is not sharable, and this will probably not work with accelerated rendering.
Landed in r74698.
Attachment 77522 [details] did not build on win: Build output: http://queues.webkit.org/results/7218213