This happens when compiling with SDKs containing the CACFLayerSetContentsScale function.
Created attachment 300412 [details] Patch
rdar://problem/29994156
Comment on attachment 300412 [details] Patch Thank you for tracking this down! r=me.
(In reply to comment #3) > Comment on attachment 300412 [details] > Patch > > Thank you for tracking this down! r=me. Thanks for reviewing!
Comment on attachment 300412 [details] Patch Clearing flags on attachment: 300412 Committed r211584: <http://trac.webkit.org/changeset/211584>
All reviewed patches have been landed. Closing bug.