[Streams API] Implement abort method on writable streams
Created attachment 263822 [details] Patch
LGTM. Maybe update the error msg, and use let/const instead of var?
Created attachment 263824 [details] Patch You got it!
Comment on attachment 263824 [details] Patch Clearing flags on attachment: 263824 Committed r191584: <http://trac.webkit.org/changeset/191584>
All reviewed patches have been landed. Closing bug.