Re: [IndexedDB-tests][pointerevents-tests][service-workers-tests][uievents-tests][web-animations-tests] Fix the race condition to prevent the access of metadata in both PBackground thread and the Connection thread. (#4419)

Code reviewed upstream.

View on GitHub: https://github.com/w3c/web-platform-tests/pull/4419#issuecomment-270142673

Received on Tuesday, 3 January 2017 15:40:27 UTC