Make redirect explicitly be rejected for service worker update checking
This CL makes redirect appropriately fail on update checking. This is covered by
a new test case in update.https.html. We still need to handle redirects for
imported scripts appropriately, and it's covered by a new test case in
/import-scripts-redirect.https.html.
Bug: 889798
Change-Id: I4f18b51759704ff3810c4630f7ff218a0b5d8e5a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1707896
Commit-Queue: Makoto Shimazu <shimazu@chromium.org>
Reviewed-by: Matt Falkenhagen <falken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#679041}