Enable ServiceWorkerImportedScriptUpdateCheck by default

Bug: 648295
Change-Id: I231e1ef402ac452a628330a883de73ecae75be99
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1706148
Reviewed-by: Matt Falkenhagen <falken@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Kentaro Hara <haraken@chromium.org>
Auto-Submit: Makoto Shimazu <shimazu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#687982}
2 files changed