Clipped benchmark painting through compositor
Created attachment 158928 [details] Patch
Looking for architectural input here, wondering if I piped things in a good way mainly.
Please wait for approval from abarth@webkit.org, dglazkov@chromium.org, fishd@chromium.org, jamesr@chromium.org or tkent@chromium.org before submitting, as this patch contains changes to the Chromium public API. See also https://trac.webkit.org/wiki/ChromiumWebKitAPI.
https://code.google.com/p/chromium/issues/detail?id=231362