Add release logging to help debug issues related to service workers.
<rdar://problem/36735900>
Created attachment 331943 [details] Patch
Comment on attachment 331943 [details] Patch Make it build, of course
Created attachment 331946 [details] Patch
Comment on attachment 331946 [details] Patch Clearing flags on attachment: 331946 Committed r227350: <https://trac.webkit.org/changeset/227350>
All reviewed patches have been landed. Closing bug.