Drop unnecessary overlapMap null checks in computeCompositingRequirements(). The overlapMap argument can never be null so we should make it a reference and get rid of all the null checks.
Created attachment 239741 [details]
Comment on attachment 239741 [details]
Clearing flags on attachment: 239741
Committed r174658: <http://trac.webkit.org/changeset/174658>
All reviewed patches have been landed. Closing bug.