After r247452 webGLStateTracker is guarded with #if ENABLE(WEBGL)
Created attachment 375490 [details] Patch
Comment on attachment 375490 [details] Patch Thank you for the fix!
Comment on attachment 375490 [details] Patch Clearing flags on attachment: 375490 Committed r248203: <https://trac.webkit.org/changeset/248203>
All reviewed patches have been landed. Closing bug.
<rdar://problem/53905079>