NavigatorBase::serviceWorker() should return a reference instead of a raw pointer, as it can never return null.
Created attachment 327704 [details] Patch
Comment on attachment 327704 [details] Patch r=me
Comment on attachment 327704 [details] Patch Clearing flags on attachment: 327704 Committed r225203: <https://trac.webkit.org/changeset/225203>
All reviewed patches have been landed. Closing bug.
<rdar://problem/35711144>