GitLab

Bypass ServiceWorkers for synchronous resource loads to avoid deadlocks when the worker and page are running in the same process.

[1] this cl
[2] layout test https://codereview.chromium.org/573293005/

BUG=413103

Review URL: https://codereview.chromium.org/553333005

Cr-Commit-Position: refs/heads/master@{#297315}